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Finding the Fourth Proportional to 175,294.50, 262,734.17 and 80,444.75

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Solution

The fourth proportional to 175,294.50, 262,734.17 and 80,444.75 is: 120,571.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,294.50 : 262,734.17 = 80,444.75 : x
  2. Step 2: Convert to fraction form
    175,294.50/262,734.17 = 80,444.75/x
  3. Step 3: Cross multiply
    175,294.50x = 262,734.17 × 80,444.75
  4. Step 4: Simplify right side
    175,294.50x = 21,135,582,906.21
  5. Step 5: Solve for x
    x = 21,135,582,906.21/175,294.50
  6. Step 6: Final answer
    x = 120,571.86

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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.