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Finding the Fourth Proportional to 73,198.76, 109,839.65 and 33,755.87

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Solution

The fourth proportional to 73,198.76, 109,839.65 and 33,755.87 is: 50,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,198.76 : 109,839.65 = 33,755.87 : x
  2. Step 2: Convert to fraction form
    73,198.76/109,839.65 = 33,755.87/x
  3. Step 3: Cross multiply
    73,198.76x = 109,839.65 × 33,755.87
  4. Step 4: Simplify right side
    73,198.76x = 3,707,733,052.07
  5. Step 5: Solve for x
    x = 3,707,733,052.07/73,198.76
  6. Step 6: Final answer
    x = 50,652.95

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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.