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Finding the Fourth Proportional to 376,251.15, 564,229.71 and 136,308.09

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Solution

The fourth proportional to 376,251.15, 564,229.71 and 136,308.09 is: 204,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,251.15 : 564,229.71 = 136,308.09 : x
  2. Step 2: Convert to fraction form
    376,251.15/564,229.71 = 136,308.09/x
  3. Step 3: Cross multiply
    376,251.15x = 564,229.71 × 136,308.09
  4. Step 4: Simplify right side
    376,251.15x = 76,909,074,091.35
  5. Step 5: Solve for x
    x = 76,909,074,091.35/376,251.15
  6. Step 6: Final answer
    x = 204,408.87

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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.