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Finding the Fourth Proportional to 125,708.38, 188,562.50 and 36,962.62

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Solution

The fourth proportional to 125,708.38, 188,562.50 and 36,962.62 is: 55,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,708.38 : 188,562.50 = 36,962.62 : x
  2. Step 2: Convert to fraction form
    125,708.38/188,562.50 = 36,962.62/x
  3. Step 3: Cross multiply
    125,708.38x = 188,562.50 × 36,962.62
  4. Step 4: Simplify right side
    125,708.38x = 6,969,764,033.75
  5. Step 5: Solve for x
    x = 6,969,764,033.75/125,708.38
  6. Step 6: Final answer
    x = 55,443.91

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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.