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Finding the Fourth Proportional to 198,793.80, 298,104.30 and 58,523.40

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Solution

The fourth proportional to 198,793.80, 298,104.30 and 58,523.40 is: 87,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,793.80 : 298,104.30 = 58,523.40 : x
  2. Step 2: Convert to fraction form
    198,793.80/298,104.30 = 58,523.40/x
  3. Step 3: Cross multiply
    198,793.80x = 298,104.30 × 58,523.40
  4. Step 4: Simplify right side
    198,793.80x = 17,446,077,190.62
  5. Step 5: Solve for x
    x = 17,446,077,190.62/198,793.80
  6. Step 6: Final answer
    x = 87,759.66

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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.