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Finding the Fourth Proportional to 167,689.80, 231,411.75 and 96,070.11

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Solution

The fourth proportional to 167,689.80, 231,411.75 and 96,070.11 is: 132,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,689.80 : 231,411.75 = 96,070.11 : x
  2. Step 2: Convert to fraction form
    167,689.80/231,411.75 = 96,070.11/x
  3. Step 3: Cross multiply
    167,689.80x = 231,411.75 × 96,070.11
  4. Step 4: Simplify right side
    167,689.80x = 22,231,752,277.79
  5. Step 5: Solve for x
    x = 22,231,752,277.79/167,689.80
  6. Step 6: Final answer
    x = 132,576.65

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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.