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Finding the Fourth Proportional to 8,045,142.20, 12,067,713.30 and 8,045,142.20

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Solution

The fourth proportional to 8,045,142.20, 12,067,713.30 and 8,045,142.20 is: 12,067,713.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,142.20 : 12,067,713.30 = 8,045,142.20 : x
  2. Step 2: Convert to fraction form
    8,045,142.20/12,067,713.30 = 8,045,142.20/x
  3. Step 3: Cross multiply
    8,045,142.20x = 12,067,713.30 × 8,045,142.20
  4. Step 4: Simplify right side
    8,045,142.20x = 97,086,469,527,331.27
  5. Step 5: Solve for x
    x = 97,086,469,527,331.27/8,045,142.20
  6. Step 6: Final answer
    x = 12,067,713.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.