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Finding the Fourth Proportional to 59,136.43, 81,469.65 and 41,198.98

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Solution

The fourth proportional to 59,136.43, 81,469.65 and 41,198.98 is: 56,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,136.43 : 81,469.65 = 41,198.98 : x
  2. Step 2: Convert to fraction form
    59,136.43/81,469.65 = 41,198.98/x
  3. Step 3: Cross multiply
    59,136.43x = 81,469.65 × 41,198.98
  4. Step 4: Simplify right side
    59,136.43x = 3,356,466,480.96
  5. Step 5: Solve for x
    x = 3,356,466,480.96/59,136.43
  6. Step 6: Final answer
    x = 56,758.02

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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.