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Finding the Fourth Proportional to 79,169.33, 118,761.78 and 23,009.91

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Solution

The fourth proportional to 79,169.33, 118,761.78 and 23,009.91 is: 34,517.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,169.33 : 118,761.78 = 23,009.91 : x
  2. Step 2: Convert to fraction form
    79,169.33/118,761.78 = 23,009.91/x
  3. Step 3: Cross multiply
    79,169.33x = 118,761.78 × 23,009.91
  4. Step 4: Simplify right side
    79,169.33x = 2,732,697,380.74
  5. Step 5: Solve for x
    x = 2,732,697,380.74/79,169.33
  6. Step 6: Final answer
    x = 34,517.12

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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.