Verified Answer :

phantombookworm

when dividing by a ratio add the ratio together
so
4+5+9=18
then
180/18=10
104=40
105=50
10*9=90
so your answer is
40:50:90

Neuron

If you would like to divide 180 in the ratio of 4 : 5 : 9, you can do this using the following two steps:

First, add the numbers: 4 + 5 + 9 = 18
Second, divide and multiply: 4 / 18 180 = 40
                                             5 / 18 180 = 50
                                             9 / 18 * 180 = 90

The result you are looking for is 40 : 50 : 90.

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