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Finding the Fourth Proportional to 67,344.60, 100,992.60 and 27,346.80

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Solution

The fourth proportional to 67,344.60, 100,992.60 and 27,346.80 is: 41,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,344.60 : 100,992.60 = 27,346.80 : x
  2. Step 2: Convert to fraction form
    67,344.60/100,992.60 = 27,346.80/x
  3. Step 3: Cross multiply
    67,344.60x = 100,992.60 × 27,346.80
  4. Step 4: Simplify right side
    67,344.60x = 2,761,824,433.68
  5. Step 5: Solve for x
    x = 2,761,824,433.68/67,344.60
  6. Step 6: Final answer
    x = 41,010.33

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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.