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Finding the Fourth Proportional to 79,190.52, 118,793.32 and 22,264.28

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Solution

The fourth proportional to 79,190.52, 118,793.32 and 22,264.28 is: 33,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.52 : 118,793.32 = 22,264.28 : x
  2. Step 2: Convert to fraction form
    79,190.52/118,793.32 = 22,264.28/x
  3. Step 3: Cross multiply
    79,190.52x = 118,793.32 × 22,264.28
  4. Step 4: Simplify right side
    79,190.52x = 2,644,847,738.61
  5. Step 5: Solve for x
    x = 2,644,847,738.61/79,190.52
  6. Step 6: Final answer
    x = 33,398.54

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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.