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Finding the Fourth Proportional to 70,964,658.71, 106,446,278.71 and 22,442,520.77

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Solution

The fourth proportional to 70,964,658.71, 106,446,278.71 and 22,442,520.77 is: 33,663,556.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,964,658.71 : 106,446,278.71 = 22,442,520.77 : x
  2. Step 2: Convert to fraction form
    70,964,658.71/106,446,278.71 = 22,442,520.77/x
  3. Step 3: Cross multiply
    70,964,658.71x = 106,446,278.71 × 22,442,520.77
  4. Step 4: Simplify right side
    70,964,658.71x = 2,388,922,820,782,277.50
  5. Step 5: Solve for x
    x = 2,388,922,820,782,277.50/70,964,658.71
  6. Step 6: Final answer
    x = 33,663,556.82

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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.