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Finding the Fourth Proportional to 67,105.88, 92,607.87 and 36,891.96

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Solution

The fourth proportional to 67,105.88, 92,607.87 and 36,891.96 is: 50,911.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,105.88 : 92,607.87 = 36,891.96 : x
  2. Step 2: Convert to fraction form
    67,105.88/92,607.87 = 36,891.96/x
  3. Step 3: Cross multiply
    67,105.88x = 92,607.87 × 36,891.96
  4. Step 4: Simplify right side
    67,105.88x = 3,416,485,696.44
  5. Step 5: Solve for x
    x = 3,416,485,696.44/67,105.88
  6. Step 6: Final answer
    x = 50,911.87

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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.