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Finding the Fourth Proportional to 171,722.88, 236,982.24 and 96,269.76

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Solution

The fourth proportional to 171,722.88, 236,982.24 and 96,269.76 is: 132,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,722.88 : 236,982.24 = 96,269.76 : x
  2. Step 2: Convert to fraction form
    171,722.88/236,982.24 = 96,269.76/x
  3. Step 3: Cross multiply
    171,722.88x = 236,982.24 × 96,269.76
  4. Step 4: Simplify right side
    171,722.88x = 22,814,223,369.06
  5. Step 5: Solve for x
    x = 22,814,223,369.06/171,722.88
  6. Step 6: Final answer
    x = 132,854.88

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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.