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Finding the Fourth Proportional to 115,098.96, 172,434.48 and 62,552.64

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Solution

The fourth proportional to 115,098.96, 172,434.48 and 62,552.64 is: 93,712.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,098.96 : 172,434.48 = 62,552.64 : x
  2. Step 2: Convert to fraction form
    115,098.96/172,434.48 = 62,552.64/x
  3. Step 3: Cross multiply
    115,098.96x = 172,434.48 × 62,552.64
  4. Step 4: Simplify right side
    115,098.96x = 10,786,231,951.03
  5. Step 5: Solve for x
    x = 10,786,231,951.03/115,098.96
  6. Step 6: Final answer
    x = 93,712.68

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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.