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Finding the Fourth Proportional to 269,462.41, 404,082.41 and 91,983.71

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Solution

The fourth proportional to 269,462.41, 404,082.41 and 91,983.71 is: 137,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,462.41 : 404,082.41 = 91,983.71 : x
  2. Step 2: Convert to fraction form
    269,462.41/404,082.41 = 91,983.71/x
  3. Step 3: Cross multiply
    269,462.41x = 404,082.41 × 91,983.71
  4. Step 4: Simplify right side
    269,462.41x = 37,168,999,767.83
  5. Step 5: Solve for x
    x = 37,168,999,767.83/269,462.41
  6. Step 6: Final answer
    x = 137,937.61

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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.