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Finding the Fourth Proportional to 448,691.13, 673,167.92 and 133,156.24

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Solution

The fourth proportional to 448,691.13, 673,167.92 and 133,156.24 is: 199,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,691.13 : 673,167.92 = 133,156.24 : x
  2. Step 2: Convert to fraction form
    448,691.13/673,167.92 = 133,156.24/x
  3. Step 3: Cross multiply
    448,691.13x = 673,167.92 × 133,156.24
  4. Step 4: Simplify right side
    448,691.13x = 89,636,506,767.12
  5. Step 5: Solve for x
    x = 89,636,506,767.12/448,691.13
  6. Step 6: Final answer
    x = 199,773.30

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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.