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Finding the Fourth Proportional to 66,752.62, 100,137.65 and 24,662.18

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Solution

The fourth proportional to 66,752.62, 100,137.65 and 24,662.18 is: 36,996.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,752.62 : 100,137.65 = 24,662.18 : x
  2. Step 2: Convert to fraction form
    66,752.62/100,137.65 = 24,662.18/x
  3. Step 3: Cross multiply
    66,752.62x = 100,137.65 × 24,662.18
  4. Step 4: Simplify right side
    66,752.62x = 2,469,612,876.11
  5. Step 5: Solve for x
    x = 2,469,612,876.11/66,752.62
  6. Step 6: Final answer
    x = 36,996.49

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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.