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Finding the Fourth Proportional to 192,956.92, 266,288.78 and 112,371.44

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Solution

The fourth proportional to 192,956.92, 266,288.78 and 112,371.44 is: 155,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,956.92 : 266,288.78 = 112,371.44 : x
  2. Step 2: Convert to fraction form
    192,956.92/266,288.78 = 112,371.44/x
  3. Step 3: Cross multiply
    192,956.92x = 266,288.78 × 112,371.44
  4. Step 4: Simplify right side
    192,956.92x = 29,923,252,613.93
  5. Step 5: Solve for x
    x = 29,923,252,613.93/192,956.92
  6. Step 6: Final answer
    x = 155,077.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.