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Finding the Fourth Proportional to 67,244,812.45, 100,867,218.68 and 67,244,812.45

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Solution

The fourth proportional to 67,244,812.45, 100,867,218.68 and 67,244,812.45 is: 100,867,218.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,244,812.45 : 100,867,218.68 = 67,244,812.45 : x
  2. Step 2: Convert to fraction form
    67,244,812.45/100,867,218.68 = 67,244,812.45/x
  3. Step 3: Cross multiply
    67,244,812.45x = 100,867,218.68 × 67,244,812.45
  4. Step 4: Simplify right side
    67,244,812.45x = 6,782,797,202,153,513
  5. Step 5: Solve for x
    x = 6,782,797,202,153,513/67,244,812.45
  6. Step 6: Final answer
    x = 100,867,218.68

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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.