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Finding the Fourth Proportional to 68,791.54, 103,197.56 and 24,414.58

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Solution

The fourth proportional to 68,791.54, 103,197.56 and 24,414.58 is: 36,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,791.54 : 103,197.56 = 24,414.58 : x
  2. Step 2: Convert to fraction form
    68,791.54/103,197.56 = 24,414.58/x
  3. Step 3: Cross multiply
    68,791.54x = 103,197.56 × 24,414.58
  4. Step 4: Simplify right side
    68,791.54x = 2,519,525,041.44
  5. Step 5: Solve for x
    x = 2,519,525,041.44/68,791.54
  6. Step 6: Final answer
    x = 36,625.51

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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.