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Finding the Fourth Proportional to 198,874.70, 298,052.85 and 92,246.30

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Solution

The fourth proportional to 198,874.70, 298,052.85 and 92,246.30 is: 138,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,874.70 : 298,052.85 = 92,246.30 : x
  2. Step 2: Convert to fraction form
    198,874.70/298,052.85 = 92,246.30/x
  3. Step 3: Cross multiply
    198,874.70x = 298,052.85 × 92,246.30
  4. Step 4: Simplify right side
    198,874.70x = 27,494,272,616.96
  5. Step 5: Solve for x
    x = 27,494,272,616.96/198,874.70
  6. Step 6: Final answer
    x = 138,249.22

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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.