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Finding the Fourth Proportional to 73,876.20, 110,823.87 and 33,885.54

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Solution

The fourth proportional to 73,876.20, 110,823.87 and 33,885.54 is: 50,832.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,876.20 : 110,823.87 = 33,885.54 : x
  2. Step 2: Convert to fraction form
    73,876.20/110,823.87 = 33,885.54/x
  3. Step 3: Cross multiply
    73,876.20x = 110,823.87 × 33,885.54
  4. Step 4: Simplify right side
    73,876.20x = 3,755,326,679.84
  5. Step 5: Solve for x
    x = 3,755,326,679.84/73,876.20
  6. Step 6: Final answer
    x = 50,832.70

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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.