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Finding the Fourth Proportional to 171,687.11, 236,931.08 and 95,209.42

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Solution

The fourth proportional to 171,687.11, 236,931.08 and 95,209.42 is: 131,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,687.11 : 236,931.08 = 95,209.42 : x
  2. Step 2: Convert to fraction form
    171,687.11/236,931.08 = 95,209.42/x
  3. Step 3: Cross multiply
    171,687.11x = 236,931.08 × 95,209.42
  4. Step 4: Simplify right side
    171,687.11x = 22,558,070,706.77
  5. Step 5: Solve for x
    x = 22,558,070,706.77/171,687.11
  6. Step 6: Final answer
    x = 131,390.59

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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.