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Finding the Fourth Proportional to 101,908.26, 152,862.39 and 31,793.04

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Solution

The fourth proportional to 101,908.26, 152,862.39 and 31,793.04 is: 47,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,908.26 : 152,862.39 = 31,793.04 : x
  2. Step 2: Convert to fraction form
    101,908.26/152,862.39 = 31,793.04/x
  3. Step 3: Cross multiply
    101,908.26x = 152,862.39 × 31,793.04
  4. Step 4: Simplify right side
    101,908.26x = 4,859,960,079.77
  5. Step 5: Solve for x
    x = 4,859,960,079.77/101,908.26
  6. Step 6: Final answer
    x = 47,689.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.