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Finding the Fourth Proportional to 16,766,233.20, 25,149,349.80 and 15,171,910.20

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Solution

The fourth proportional to 16,766,233.20, 25,149,349.80 and 15,171,910.20 is: 22,757,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766,233.20 : 25,149,349.80 = 15,171,910.20 : x
  2. Step 2: Convert to fraction form
    16,766,233.20/25,149,349.80 = 15,171,910.20/x
  3. Step 3: Cross multiply
    16,766,233.20x = 25,149,349.80 × 15,171,910.20
  4. Step 4: Simplify right side
    16,766,233.20x = 381,563,676,753,987.94
  5. Step 5: Solve for x
    x = 381,563,676,753,987.94/16,766,233.20
  6. Step 6: Final answer
    x = 22,757,865.30

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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.