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Finding the Fourth Proportional to 79,879.88, 119,799.26 and 23,706.68

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Solution

The fourth proportional to 79,879.88, 119,799.26 and 23,706.68 is: 35,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,879.88 : 119,799.26 = 23,706.68 : x
  2. Step 2: Convert to fraction form
    79,879.88/119,799.26 = 23,706.68/x
  3. Step 3: Cross multiply
    79,879.88x = 119,799.26 × 23,706.68
  4. Step 4: Simplify right side
    79,879.88x = 2,840,042,721.06
  5. Step 5: Solve for x
    x = 2,840,042,721.06/79,879.88
  6. Step 6: Final answer
    x = 35,553.92

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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.