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Finding the Fourth Proportional to 132,524.76, 198,744.72 and 43,761.72

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Solution

The fourth proportional to 132,524.76, 198,744.72 and 43,761.72 is: 65,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,524.76 : 198,744.72 = 43,761.72 : x
  2. Step 2: Convert to fraction form
    132,524.76/198,744.72 = 43,761.72/x
  3. Step 3: Cross multiply
    132,524.76x = 198,744.72 × 43,761.72
  4. Step 4: Simplify right side
    132,524.76x = 8,697,410,788.12
  5. Step 5: Solve for x
    x = 8,697,410,788.12/132,524.76
  6. Step 6: Final answer
    x = 65,628.57

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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.