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Finding the Fourth Proportional to 43,701,871.80, 65,552,807.70 and 14,945,446.20

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Solution

The fourth proportional to 43,701,871.80, 65,552,807.70 and 14,945,446.20 is: 22,418,169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,701,871.80 : 65,552,807.70 = 14,945,446.20 : x
  2. Step 2: Convert to fraction form
    43,701,871.80/65,552,807.70 = 14,945,446.20/x
  3. Step 3: Cross multiply
    43,701,871.80x = 65,552,807.70 × 14,945,446.20
  4. Step 4: Simplify right side
    43,701,871.80x = 979,715,960,739,295.75
  5. Step 5: Solve for x
    x = 979,715,960,739,295.75/43,701,871.80
  6. Step 6: Final answer
    x = 22,418,169.30

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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.