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Finding the Fourth Proportional to 198,750.60, 274,377.17 and 134,559.06

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Solution

The fourth proportional to 198,750.60, 274,377.17 and 134,559.06 is: 185,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,750.60 : 274,377.17 = 134,559.06 : x
  2. Step 2: Convert to fraction form
    198,750.60/274,377.17 = 134,559.06/x
  3. Step 3: Cross multiply
    198,750.60x = 274,377.17 × 134,559.06
  4. Step 4: Simplify right side
    198,750.60x = 36,919,933,407.86
  5. Step 5: Solve for x
    x = 36,919,933,407.86/198,750.60
  6. Step 6: Final answer
    x = 185,760.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.