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Finding the Fourth Proportional to 135,245.92, 202,899.60 and 41,759.20

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Solution

The fourth proportional to 135,245.92, 202,899.60 and 41,759.20 is: 62,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,245.92 : 202,899.60 = 41,759.20 : x
  2. Step 2: Convert to fraction form
    135,245.92/202,899.60 = 41,759.20/x
  3. Step 3: Cross multiply
    135,245.92x = 202,899.60 × 41,759.20
  4. Step 4: Simplify right side
    135,245.92x = 8,472,924,976.32
  5. Step 5: Solve for x
    x = 8,472,924,976.32/135,245.92
  6. Step 6: Final answer
    x = 62,648.29

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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.