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Finding the Fourth Proportional to 29,107,251.80, 40,809,872.20 and 29,107,251.80

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Solution

The fourth proportional to 29,107,251.80, 40,809,872.20 and 29,107,251.80 is: 40,809,872.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,107,251.80 : 40,809,872.20 = 29,107,251.80 : x
  2. Step 2: Convert to fraction form
    29,107,251.80/40,809,872.20 = 29,107,251.80/x
  3. Step 3: Cross multiply
    29,107,251.80x = 40,809,872.20 × 29,107,251.80
  4. Step 4: Simplify right side
    29,107,251.80x = 1,187,863,226,051,220
  5. Step 5: Solve for x
    x = 1,187,863,226,051,220/29,107,251.80
  6. Step 6: Final answer
    x = 40,809,872.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.