Finding the Fourth Proportional to 96,272.13, 132,888.97 and 66,157.14
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Solution
The fourth proportional to 96,272.13, 132,888.97 and 66,157.14 is: 91,319.83
Step by Step Solution
- Step 1: Write the proportion equation
96,272.13 : 132,888.97 = 66,157.14 : x - Step 2: Convert to fraction form
96,272.13/132,888.97 = 66,157.14/x - Step 3: Cross multiply
96,272.13x = 132,888.97 × 66,157.14 - Step 4: Simplify right side
96,272.13x = 8,791,554,192.75 - Step 5: Solve for x
x = 8,791,554,192.75/96,272.13 - Step 6: Final answer
x = 91,319.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.