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Finding the Fourth Proportional to 125,472.59, 188,042.77 and 92,036.10

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Solution

The fourth proportional to 125,472.59, 188,042.77 and 92,036.10 is: 137,932.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,472.59 : 188,042.77 = 92,036.10 : x
  2. Step 2: Convert to fraction form
    125,472.59/188,042.77 = 92,036.10/x
  3. Step 3: Cross multiply
    125,472.59x = 188,042.77 × 92,036.10
  4. Step 4: Simplify right side
    125,472.59x = 17,306,722,428.76
  5. Step 5: Solve for x
    x = 17,306,722,428.76/125,472.59
  6. Step 6: Final answer
    x = 137,932.29

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1.5x scale

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.