145=x:y:z
x÷y=4÷3 x÷y=8÷6
y÷z=2÷5 y÷z=6÷15
x÷y÷z=8÷6÷15
8k+6k+15k=145
29k=145
k=145÷29
k=5
5*8=40
5*6=30
5*15=75
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145=x:y:z
x÷y=4÷3 x÷y=8÷6
y÷z=2÷5 y÷z=6÷15
x÷y÷z=8÷6÷15
8k+6k+15k=145
29k=145
k=145÷29
k=5
5*8=40
5*6=30
5*15=75