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Finding the Fourth Proportional to 220,082.03, 330,170.43 and 68,276.03

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Solution

The fourth proportional to 220,082.03, 330,170.43 and 68,276.03 is: 102,428.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,082.03 : 330,170.43 = 68,276.03 : x
  2. Step 2: Convert to fraction form
    220,082.03/330,170.43 = 68,276.03/x
  3. Step 3: Cross multiply
    220,082.03x = 330,170.43 × 68,276.03
  4. Step 4: Simplify right side
    220,082.03x = 22,542,726,183.79
  5. Step 5: Solve for x
    x = 22,542,726,183.79/220,082.03
  6. Step 6: Final answer
    x = 102,428.75

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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.