Finding the Fourth Proportional to 265,882.75, 398,737.86 and 88,342.09
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Solution
The fourth proportional to 265,882.75, 398,737.86 and 88,342.09 is: 132,484.47
Step by Step Solution
- Step 1: Write the proportion equation
265,882.75 : 398,737.86 = 88,342.09 : x - Step 2: Convert to fraction form
265,882.75/398,737.86 = 88,342.09/x - Step 3: Cross multiply
265,882.75x = 398,737.86 × 88,342.09 - Step 4: Simplify right side
265,882.75x = 35,225,335,914.53 - Step 5: Solve for x
x = 35,225,335,914.53/265,882.75 - Step 6: Final answer
x = 132,484.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.