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Finding the Fourth Proportional to 132,768.86, 199,074.26 and 52,763.54

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Solution

The fourth proportional to 132,768.86, 199,074.26 and 52,763.54 is: 79,113.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,768.86 : 199,074.26 = 52,763.54 : x
  2. Step 2: Convert to fraction form
    132,768.86/199,074.26 = 52,763.54/x
  3. Step 3: Cross multiply
    132,768.86x = 199,074.26 × 52,763.54
  4. Step 4: Simplify right side
    132,768.86x = 10,503,861,817.02
  5. Step 5: Solve for x
    x = 10,503,861,817.02/132,768.86
  6. Step 6: Final answer
    x = 79,113.90

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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.