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Finding the Fourth Proportional to 269,463.66, 404,084.28 and 91,984.97

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Solution

The fourth proportional to 269,463.66, 404,084.28 and 91,984.97 is: 137,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,463.66 : 404,084.28 = 91,984.97 : x
  2. Step 2: Convert to fraction form
    269,463.66/404,084.28 = 91,984.97/x
  3. Step 3: Cross multiply
    269,463.66x = 404,084.28 × 91,984.97
  4. Step 4: Simplify right side
    269,463.66x = 37,169,678,352.85
  5. Step 5: Solve for x
    x = 37,169,678,352.85/269,463.66
  6. Step 6: Final answer
    x = 137,939.48

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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.