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Finding the Fourth Proportional to 181,708.92, 250,543.71 and 124,375.92

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Solution

The fourth proportional to 181,708.92, 250,543.71 and 124,375.92 is: 171,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,708.92 : 250,543.71 = 124,375.92 : x
  2. Step 2: Convert to fraction form
    181,708.92/250,543.71 = 124,375.92/x
  3. Step 3: Cross multiply
    181,708.92x = 250,543.71 × 124,375.92
  4. Step 4: Simplify right side
    181,708.92x = 31,161,604,431.46
  5. Step 5: Solve for x
    x = 31,161,604,431.46/181,708.92
  6. Step 6: Final answer
    x = 171,491.88

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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.