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Finding the Fourth Proportional to 125,824.97, 188,600.59 and 62,691.75

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Solution

The fourth proportional to 125,824.97, 188,600.59 and 62,691.75 is: 93,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,824.97 : 188,600.59 = 62,691.75 : x
  2. Step 2: Convert to fraction form
    125,824.97/188,600.59 = 62,691.75/x
  3. Step 3: Cross multiply
    125,824.97x = 188,600.59 × 62,691.75
  4. Step 4: Simplify right side
    125,824.97x = 11,823,701,116.50
  5. Step 5: Solve for x
    x = 11,823,701,116.50/125,824.97
  6. Step 6: Final answer
    x = 93,969.43

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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.