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Finding the Fourth Proportional to 269,616.41, 404,479.94 and 109,691.92

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Solution

The fourth proportional to 269,616.41, 404,479.94 and 109,691.92 is: 164,560.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,616.41 : 404,479.94 = 109,691.92 : x
  2. Step 2: Convert to fraction form
    269,616.41/404,479.94 = 109,691.92/x
  3. Step 3: Cross multiply
    269,616.41x = 404,479.94 × 109,691.92
  4. Step 4: Simplify right side
    269,616.41x = 44,368,181,220.08
  5. Step 5: Solve for x
    x = 44,368,181,220.08/269,616.41
  6. Step 6: Final answer
    x = 164,560.39

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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.