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Finding the Fourth Proportional to 67,115.39, 92,602.77 and 49,659.48

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Solution

The fourth proportional to 67,115.39, 92,602.77 and 49,659.48 is: 68,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115.39 : 92,602.77 = 49,659.48 : x
  2. Step 2: Convert to fraction form
    67,115.39/92,602.77 = 49,659.48/x
  3. Step 3: Cross multiply
    67,115.39x = 92,602.77 × 49,659.48
  4. Step 4: Simplify right side
    67,115.39x = 4,598,605,404.76
  5. Step 5: Solve for x
    x = 4,598,605,404.76/67,115.39
  6. Step 6: Final answer
    x = 68,517.90

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