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Finding the Fourth Proportional to 67,267.60, 100,770.04 and 40,906.96

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Solution

The fourth proportional to 67,267.60, 100,770.04 and 40,906.96 is: 61,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,267.60 : 100,770.04 = 40,906.96 : x
  2. Step 2: Convert to fraction form
    67,267.60/100,770.04 = 40,906.96/x
  3. Step 3: Cross multiply
    67,267.60x = 100,770.04 × 40,906.96
  4. Step 4: Simplify right side
    67,267.60x = 4,122,195,995.48
  5. Step 5: Solve for x
    x = 4,122,195,995.48/67,267.60
  6. Step 6: Final answer
    x = 61,280.56

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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.