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Finding the Fourth Proportional to 67,777.92, 101,667.90 and 17,863.07

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Solution

The fourth proportional to 67,777.92, 101,667.90 and 17,863.07 is: 26,794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,777.92 : 101,667.90 = 17,863.07 : x
  2. Step 2: Convert to fraction form
    67,777.92/101,667.90 = 17,863.07/x
  3. Step 3: Cross multiply
    67,777.92x = 101,667.90 × 17,863.07
  4. Step 4: Simplify right side
    67,777.92x = 1,816,100,306.11
  5. Step 5: Solve for x
    x = 1,816,100,306.11/67,777.92
  6. Step 6: Final answer
    x = 26,794.87

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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.