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Finding the Fourth Proportional to 31,715,542.20, 44,306,099.70 and 31,715,542.20

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Solution

The fourth proportional to 31,715,542.20, 44,306,099.70 and 31,715,542.20 is: 44,306,099.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715,542.20 : 44,306,099.70 = 31,715,542.20 : x
  2. Step 2: Convert to fraction form
    31,715,542.20/44,306,099.70 = 31,715,542.20/x
  3. Step 3: Cross multiply
    31,715,542.20x = 44,306,099.70 × 31,715,542.20
  4. Step 4: Simplify right side
    31,715,542.20x = 1,405,191,974,752,757.50
  5. Step 5: Solve for x
    x = 1,405,191,974,752,757.50/31,715,542.20
  6. Step 6: Final answer
    x = 44,306,099.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.