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Finding the Fourth Proportional to 125,753.46, 188,660.16 and 37,009.86

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Solution

The fourth proportional to 125,753.46, 188,660.16 and 37,009.86 is: 55,523.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,753.46 : 188,660.16 = 37,009.86 : x
  2. Step 2: Convert to fraction form
    125,753.46/188,660.16 = 37,009.86/x
  3. Step 3: Cross multiply
    125,753.46x = 188,660.16 × 37,009.86
  4. Step 4: Simplify right side
    125,753.46x = 6,982,286,109.18
  5. Step 5: Solve for x
    x = 6,982,286,109.18/125,753.46
  6. Step 6: Final answer
    x = 55,523.61

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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.