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Finding the Fourth Proportional to 68,791.90, 103,198.11 and 24,414.94

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Solution

The fourth proportional to 68,791.90, 103,198.11 and 24,414.94 is: 36,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,791.90 : 103,198.11 = 24,414.94 : x
  2. Step 2: Convert to fraction form
    68,791.90/103,198.11 = 24,414.94/x
  3. Step 3: Cross multiply
    68,791.90x = 103,198.11 × 24,414.94
  4. Step 4: Simplify right side
    68,791.90x = 2,519,575,283.69
  5. Step 5: Solve for x
    x = 2,519,575,283.69/68,791.90
  6. Step 6: Final answer
    x = 36,626.04

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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.