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Finding the Fourth Proportional to 202,398.80, 303,545.18 and 60,205.86

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Solution

The fourth proportional to 202,398.80, 303,545.18 and 60,205.86 is: 90,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,398.80 : 303,545.18 = 60,205.86 : x
  2. Step 2: Convert to fraction form
    202,398.80/303,545.18 = 60,205.86/x
  3. Step 3: Cross multiply
    202,398.80x = 303,545.18 × 60,205.86
  4. Step 4: Simplify right side
    202,398.80x = 18,275,198,610.75
  5. Step 5: Solve for x
    x = 18,275,198,610.75/202,398.80
  6. Step 6: Final answer
    x = 90,293.02

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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.