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Finding the Fourth Proportional to 72,450.20, 108,545.70 and 62,082.20

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Solution

The fourth proportional to 72,450.20, 108,545.70 and 62,082.20 is: 93,012.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,450.20 : 108,545.70 = 62,082.20 : x
  2. Step 2: Convert to fraction form
    72,450.20/108,545.70 = 62,082.20/x
  3. Step 3: Cross multiply
    72,450.20x = 108,545.70 × 62,082.20
  4. Step 4: Simplify right side
    72,450.20x = 6,738,755,856.54
  5. Step 5: Solve for x
    x = 6,738,755,856.54/72,450.20
  6. Step 6: Final answer
    x = 93,012.25

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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.