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Finding the Fourth Proportional to 269,389.88, 404,086.85 and 119,589.90

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Solution

The fourth proportional to 269,389.88, 404,086.85 and 119,589.90 is: 179,385.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,389.88 : 404,086.85 = 119,589.90 : x
  2. Step 2: Convert to fraction form
    269,389.88/404,086.85 = 119,589.90/x
  3. Step 3: Cross multiply
    269,389.88x = 404,086.85 × 119,589.90
  4. Step 4: Simplify right side
    269,389.88x = 48,324,705,384.87
  5. Step 5: Solve for x
    x = 48,324,705,384.87/269,389.88
  6. Step 6: Final answer
    x = 179,385.75

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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.