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Finding the Fourth Proportional to 167,613.29, 251,414.29 and 72,843.47

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Solution

The fourth proportional to 167,613.29, 251,414.29 and 72,843.47 is: 109,262.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,613.29 : 251,414.29 = 72,843.47 : x
  2. Step 2: Convert to fraction form
    167,613.29/251,414.29 = 72,843.47/x
  3. Step 3: Cross multiply
    167,613.29x = 251,414.29 × 72,843.47
  4. Step 4: Simplify right side
    167,613.29x = 18,313,889,291.19
  5. Step 5: Solve for x
    x = 18,313,889,291.19/167,613.29
  6. Step 6: Final answer
    x = 109,262.75

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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.