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Finding the Fourth Proportional to 171,679.38, 236,913.30 and 95,198.78

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Solution

The fourth proportional to 171,679.38, 236,913.30 and 95,198.78 is: 131,371.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,679.38 : 236,913.30 = 95,198.78 : x
  2. Step 2: Convert to fraction form
    171,679.38/236,913.30 = 95,198.78/x
  3. Step 3: Cross multiply
    171,679.38x = 236,913.30 × 95,198.78
  4. Step 4: Simplify right side
    171,679.38x = 22,553,855,941.21
  5. Step 5: Solve for x
    x = 22,553,855,941.21/171,679.38
  6. Step 6: Final answer
    x = 131,371.96

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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.