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Finding the Fourth Proportional to 218,522.20, 327,552.90 and 124,826.20

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Solution

The fourth proportional to 218,522.20, 327,552.90 and 124,826.20 is: 187,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,522.20 : 327,552.90 = 124,826.20 : x
  2. Step 2: Convert to fraction form
    218,522.20/327,552.90 = 124,826.20/x
  3. Step 3: Cross multiply
    218,522.20x = 327,552.90 × 124,826.20
  4. Step 4: Simplify right side
    218,522.20x = 40,887,183,805.98
  5. Step 5: Solve for x
    x = 40,887,183,805.98/218,522.20
  6. Step 6: Final answer
    x = 187,107.69

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1.5x scale

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.