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Finding the Fourth Proportional to 110,793.32, 152,968.10 and 68,414.12

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Solution

The fourth proportional to 110,793.32, 152,968.10 and 68,414.12 is: 94,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,793.32 : 152,968.10 = 68,414.12 : x
  2. Step 2: Convert to fraction form
    110,793.32/152,968.10 = 68,414.12/x
  3. Step 3: Cross multiply
    110,793.32x = 152,968.10 × 68,414.12
  4. Step 4: Simplify right side
    110,793.32x = 10,465,177,949.57
  5. Step 5: Solve for x
    x = 10,465,177,949.57/110,793.32
  6. Step 6: Final answer
    x = 94,456.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.