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Finding the Fourth Proportional to 125,302.87, 187,951.17 and 36,557.15

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Solution

The fourth proportional to 125,302.87, 187,951.17 and 36,557.15 is: 54,834.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,302.87 : 187,951.17 = 36,557.15 : x
  2. Step 2: Convert to fraction form
    125,302.87/187,951.17 = 36,557.15/x
  3. Step 3: Cross multiply
    125,302.87x = 187,951.17 × 36,557.15
  4. Step 4: Simplify right side
    125,302.87x = 6,870,959,114.37
  5. Step 5: Solve for x
    x = 6,870,959,114.37/125,302.87
  6. Step 6: Final answer
    x = 54,834.81

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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.