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Finding the Fourth Proportional to 271,167.68, 406,725.60 and 165,932.48

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Solution

The fourth proportional to 271,167.68, 406,725.60 and 165,932.48 is: 248,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,167.68 : 406,725.60 = 165,932.48 : x
  2. Step 2: Convert to fraction form
    271,167.68/406,725.60 = 165,932.48/x
  3. Step 3: Cross multiply
    271,167.68x = 406,725.60 × 165,932.48
  4. Step 4: Simplify right side
    271,167.68x = 67,488,987,487.49
  5. Step 5: Solve for x
    x = 67,488,987,487.49/271,167.68
  6. Step 6: Final answer
    x = 248,882.86

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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.