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Finding the Fourth Proportional to 67,854,682.20, 101,782,023.30 and 67,854,682.20

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Solution

The fourth proportional to 67,854,682.20, 101,782,023.30 and 67,854,682.20 is: 101,782,023.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,854,682.20 : 101,782,023.30 = 67,854,682.20 : x
  2. Step 2: Convert to fraction form
    67,854,682.20/101,782,023.30 = 67,854,682.20/x
  3. Step 3: Cross multiply
    67,854,682.20x = 101,782,023.30 × 67,854,682.20
  4. Step 4: Simplify right side
    67,854,682.20x = 6,906,386,844,694,495
  5. Step 5: Solve for x
    x = 6,906,386,844,694,495/67,854,682.20
  6. Step 6: Final answer
    x = 101,782,023.30

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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.