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Finding the Fourth Proportional to 345,249.66, 517,542.33 and 176,849.29

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Solution

The fourth proportional to 345,249.66, 517,542.33 and 176,849.29 is: 265,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,249.66 : 517,542.33 = 176,849.29 : x
  2. Step 2: Convert to fraction form
    345,249.66/517,542.33 = 176,849.29/x
  3. Step 3: Cross multiply
    345,249.66x = 517,542.33 × 176,849.29
  4. Step 4: Simplify right side
    345,249.66x = 91,526,993,920.78
  5. Step 5: Solve for x
    x = 91,526,993,920.78/345,249.66
  6. Step 6: Final answer
    x = 265,103.79

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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.