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Finding the Fourth Proportional to 63,183.54, 87,198.42 and 36,334.74

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Solution

The fourth proportional to 63,183.54, 87,198.42 and 36,334.74 is: 50,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,183.54 : 87,198.42 = 36,334.74 : x
  2. Step 2: Convert to fraction form
    63,183.54/87,198.42 = 36,334.74/x
  3. Step 3: Cross multiply
    63,183.54x = 87,198.42 × 36,334.74
  4. Step 4: Simplify right side
    63,183.54x = 3,168,331,919.11
  5. Step 5: Solve for x
    x = 3,168,331,919.11/63,183.54
  6. Step 6: Final answer
    x = 50,144.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.