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Finding the Fourth Proportional to 125,496.92, 188,231.60 and 36,751.29

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Solution

The fourth proportional to 125,496.92, 188,231.60 and 36,751.29 is: 55,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,496.92 : 188,231.60 = 36,751.29 : x
  2. Step 2: Convert to fraction form
    125,496.92/188,231.60 = 36,751.29/x
  3. Step 3: Cross multiply
    125,496.92x = 188,231.60 × 36,751.29
  4. Step 4: Simplify right side
    125,496.92x = 6,917,753,935.01
  5. Step 5: Solve for x
    x = 6,917,753,935.01/125,496.92
  6. Step 6: Final answer
    x = 55,122.90

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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.