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Finding the Fourth Proportional to 48,387,614.10, 72,581,421.15 and 48,387,614.10

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Solution

The fourth proportional to 48,387,614.10, 72,581,421.15 and 48,387,614.10 is: 72,581,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,614.10 : 72,581,421.15 = 48,387,614.10 : x
  2. Step 2: Convert to fraction form
    48,387,614.10/72,581,421.15 = 48,387,614.10/x
  3. Step 3: Cross multiply
    48,387,614.10x = 72,581,421.15 × 48,387,614.10
  4. Step 4: Simplify right side
    48,387,614.10x = 3,512,041,797,435,778.50
  5. Step 5: Solve for x
    x = 3,512,041,797,435,778.50/48,387,614.10
  6. Step 6: Final answer
    x = 72,581,421.15

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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.