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Finding the Fourth Proportional to 168,272.92, 252,380.22 and 43,613.92

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Solution

The fourth proportional to 168,272.92, 252,380.22 and 43,613.92 is: 65,413.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,272.92 : 252,380.22 = 43,613.92 : x
  2. Step 2: Convert to fraction form
    168,272.92/252,380.22 = 43,613.92/x
  3. Step 3: Cross multiply
    168,272.92x = 252,380.22 × 43,613.92
  4. Step 4: Simplify right side
    168,272.92x = 11,007,290,724.66
  5. Step 5: Solve for x
    x = 11,007,290,724.66/168,272.92
  6. Step 6: Final answer
    x = 65,413.32

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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.