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Finding the Fourth Proportional to 168,344.19, 252,469.56 and 46,736.78

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Solution

The fourth proportional to 168,344.19, 252,469.56 and 46,736.78 is: 70,092.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,344.19 : 252,469.56 = 46,736.78 : x
  2. Step 2: Convert to fraction form
    168,344.19/252,469.56 = 46,736.78/x
  3. Step 3: Cross multiply
    168,344.19x = 252,469.56 × 46,736.78
  4. Step 4: Simplify right side
    168,344.19x = 11,799,614,282.42
  5. Step 5: Solve for x
    x = 11,799,614,282.42/168,344.19
  6. Step 6: Final answer
    x = 70,092.20

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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.