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Finding the Fourth Proportional to 125,229.71, 187,906.14 and 58,658.28

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Solution

The fourth proportional to 125,229.71, 187,906.14 and 58,658.28 is: 88,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,229.71 : 187,906.14 = 58,658.28 : x
  2. Step 2: Convert to fraction form
    125,229.71/187,906.14 = 58,658.28/x
  3. Step 3: Cross multiply
    125,229.71x = 187,906.14 × 58,658.28
  4. Step 4: Simplify right side
    125,229.71x = 11,022,250,973.84
  5. Step 5: Solve for x
    x = 11,022,250,973.84/125,229.71
  6. Step 6: Final answer
    x = 88,016.27

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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.