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Finding the Fourth Proportional to 132,234.50, 198,351.34 and 47,994.55

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Solution

The fourth proportional to 132,234.50, 198,351.34 and 47,994.55 is: 71,991.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,234.50 : 198,351.34 = 47,994.55 : x
  2. Step 2: Convert to fraction form
    132,234.50/198,351.34 = 47,994.55/x
  3. Step 3: Cross multiply
    132,234.50x = 198,351.34 × 47,994.55
  4. Step 4: Simplify right side
    132,234.50x = 9,519,783,305.20
  5. Step 5: Solve for x
    x = 9,519,783,305.20/132,234.50
  6. Step 6: Final answer
    x = 71,991.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.