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Finding the Fourth Proportional to 80,451,124.70, 120,677,792.70 and 22,943,400.80

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Solution

The fourth proportional to 80,451,124.70, 120,677,792.70 and 22,943,400.80 is: 34,415,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,451,124.70 : 120,677,792.70 = 22,943,400.80 : x
  2. Step 2: Convert to fraction form
    80,451,124.70/120,677,792.70 = 22,943,400.80/x
  3. Step 3: Cross multiply
    80,451,124.70x = 120,677,792.70 × 22,943,400.80
  4. Step 4: Simplify right side
    80,451,124.70x = 2,768,758,965,575,414.50
  5. Step 5: Solve for x
    x = 2,768,758,965,575,414.50/80,451,124.70
  6. Step 6: Final answer
    x = 34,415,416.51

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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.