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Finding the Fourth Proportional to 144,693,791.60, 217,040,687.40 and 36,982,713.20

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Solution

The fourth proportional to 144,693,791.60, 217,040,687.40 and 36,982,713.20 is: 55,474,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,693,791.60 : 217,040,687.40 = 36,982,713.20 : x
  2. Step 2: Convert to fraction form
    144,693,791.60/217,040,687.40 = 36,982,713.20/x
  3. Step 3: Cross multiply
    144,693,791.60x = 217,040,687.40 × 36,982,713.20
  4. Step 4: Simplify right side
    144,693,791.60x = 8,026,753,494,845,055
  5. Step 5: Solve for x
    x = 8,026,753,494,845,055/144,693,791.60
  6. Step 6: Final answer
    x = 55,474,069.80

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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.