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Finding the Fourth Proportional to 63,906.60, 88,191.42 and 36,680.49

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Solution

The fourth proportional to 63,906.60, 88,191.42 and 36,680.49 is: 50,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,906.60 : 88,191.42 = 36,680.49 : x
  2. Step 2: Convert to fraction form
    63,906.60/88,191.42 = 36,680.49/x
  3. Step 3: Cross multiply
    63,906.60x = 88,191.42 × 36,680.49
  4. Step 4: Simplify right side
    63,906.60x = 3,234,904,499.40
  5. Step 5: Solve for x
    x = 3,234,904,499.40/63,906.60
  6. Step 6: Final answer
    x = 50,619.26

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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.