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Finding the Fourth Proportional to 167,761.71, 231,510.29 and 96,139.89

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Solution

The fourth proportional to 167,761.71, 231,510.29 and 96,139.89 is: 132,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,761.71 : 231,510.29 = 96,139.89 : x
  2. Step 2: Convert to fraction form
    167,761.71/231,510.29 = 96,139.89/x
  3. Step 3: Cross multiply
    167,761.71x = 231,510.29 × 96,139.89
  4. Step 4: Simplify right side
    167,761.71x = 22,257,373,333.77
  5. Step 5: Solve for x
    x = 22,257,373,333.77/167,761.71
  6. Step 6: Final answer
    x = 132,672.55

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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.