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Finding the Fourth Proportional to 198,652.50, 297,781.92 and 93,282.84

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Solution

The fourth proportional to 198,652.50, 297,781.92 and 93,282.84 is: 139,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,652.50 : 297,781.92 = 93,282.84 : x
  2. Step 2: Convert to fraction form
    198,652.50/297,781.92 = 93,282.84/x
  3. Step 3: Cross multiply
    198,652.50x = 297,781.92 × 93,282.84
  4. Step 4: Simplify right side
    198,652.50x = 27,777,943,198.25
  5. Step 5: Solve for x
    x = 27,777,943,198.25/198,652.50
  6. Step 6: Final answer
    x = 139,831.83

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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.