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Finding the Fourth Proportional to 73,599.90, 110,286.45 and 54,791.70

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Solution

The fourth proportional to 73,599.90, 110,286.45 and 54,791.70 is: 82,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,599.90 : 110,286.45 = 54,791.70 : x
  2. Step 2: Convert to fraction form
    73,599.90/110,286.45 = 54,791.70/x
  3. Step 3: Cross multiply
    73,599.90x = 110,286.45 × 54,791.70
  4. Step 4: Simplify right side
    73,599.90x = 6,042,782,082.47
  5. Step 5: Solve for x
    x = 6,042,782,082.47/73,599.90
  6. Step 6: Final answer
    x = 82,103.13

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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.