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Finding the Fourth Proportional to 64,747,658.60, 97,121,487.90 and 64,747,658.60

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Solution

The fourth proportional to 64,747,658.60, 97,121,487.90 and 64,747,658.60 is: 97,121,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,747,658.60 : 97,121,487.90 = 64,747,658.60 : x
  2. Step 2: Convert to fraction form
    64,747,658.60/97,121,487.90 = 64,747,658.60/x
  3. Step 3: Cross multiply
    64,747,658.60x = 97,121,487.90 × 64,747,658.60
  4. Step 4: Simplify right side
    64,747,658.60x = 6,288,388,941,273,231
  5. Step 5: Solve for x
    x = 6,288,388,941,273,231/64,747,658.60
  6. Step 6: Final answer
    x = 97,121,487.90

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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.