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Finding the Fourth Proportional to 171,691.41, 236,933.40 and 96,239.91

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Solution

The fourth proportional to 171,691.41, 236,933.40 and 96,239.91 is: 132,810.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,691.41 : 236,933.40 = 96,239.91 : x
  2. Step 2: Convert to fraction form
    171,691.41/236,933.40 = 96,239.91/x
  3. Step 3: Cross multiply
    171,691.41x = 236,933.40 × 96,239.91
  4. Step 4: Simplify right side
    171,691.41x = 22,802,449,091.99
  5. Step 5: Solve for x
    x = 22,802,449,091.99/171,691.41
  6. Step 6: Final answer
    x = 132,810.66

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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.