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Finding the Fourth Proportional to 168,176.65, 252,265.88 and 43,517.65

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Solution

The fourth proportional to 168,176.65, 252,265.88 and 43,517.65 is: 65,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,176.65 : 252,265.88 = 43,517.65 : x
  2. Step 2: Convert to fraction form
    168,176.65/252,265.88 = 43,517.65/x
  3. Step 3: Cross multiply
    168,176.65x = 252,265.88 × 43,517.65
  4. Step 4: Simplify right side
    168,176.65x = 10,978,018,272.78
  5. Step 5: Solve for x
    x = 10,978,018,272.78/168,176.65
  6. Step 6: Final answer
    x = 65,276.71

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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.