How to check a box based on one of 3 other checkboxes and a numeric field?

I have a situation where I would like the following 'then' action to be taken given various combinations of box checks and field values:

if Box1 is checked and Field1 is < 10, then check Box101

if Box1 is checked and Field1 is between 10 and 20, then check Box102

if Box1 is checked and Field1 is > 20, then check Box103

if Box2 is checked and Field1 is < 10, then check Box201

etc like with Box1 above for different Field1 values

if Box3 is checked and Field1 is < 10, then check Box301

etc like with Box1 above for different Field1 values

Box1, Box2, and Box3 are radio buttons, so only one can be selected at a time.