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Finding the Fourth Proportional to 68,791.08, 103,191.52 and 23,793.78

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Solution

The fourth proportional to 68,791.08, 103,191.52 and 23,793.78 is: 35,692.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,791.08 : 103,191.52 = 23,793.78 : x
  2. Step 2: Convert to fraction form
    68,791.08/103,191.52 = 23,793.78/x
  3. Step 3: Cross multiply
    68,791.08x = 103,191.52 × 23,793.78
  4. Step 4: Simplify right side
    68,791.08x = 2,455,316,324.75
  5. Step 5: Solve for x
    x = 2,455,316,324.75/68,791.08
  6. Step 6: Final answer
    x = 35,692.36

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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.