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Finding the Fourth Proportional to 269,800.48, 404,949.12 and 136,773.82

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Solution

The fourth proportional to 269,800.48, 404,949.12 and 136,773.82 is: 205,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,800.48 : 404,949.12 = 136,773.82 : x
  2. Step 2: Convert to fraction form
    269,800.48/404,949.12 = 136,773.82/x
  3. Step 3: Cross multiply
    269,800.48x = 404,949.12 × 136,773.82
  4. Step 4: Simplify right side
    269,800.48x = 55,386,438,048.04
  5. Step 5: Solve for x
    x = 55,386,438,048.04/269,800.48
  6. Step 6: Final answer
    x = 205,286.65

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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.