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Finding the Fourth Proportional to 63,169.82, 87,209.81 and 43,816.92

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Solution

The fourth proportional to 63,169.82, 87,209.81 and 43,816.92 is: 60,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,169.82 : 87,209.81 = 43,816.92 : x
  2. Step 2: Convert to fraction form
    63,169.82/87,209.81 = 43,816.92/x
  3. Step 3: Cross multiply
    63,169.82x = 87,209.81 × 43,816.92
  4. Step 4: Simplify right side
    63,169.82x = 3,821,265,868.48
  5. Step 5: Solve for x
    x = 3,821,265,868.48/63,169.82
  6. Step 6: Final answer
    x = 60,491.95

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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.