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Finding the Fourth Proportional to 61,169.87, 91,692.80 and 41,450.42

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Solution

The fourth proportional to 61,169.87, 91,692.80 and 41,450.42 is: 62,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,169.87 : 91,692.80 = 41,450.42 : x
  2. Step 2: Convert to fraction form
    61,169.87/91,692.80 = 41,450.42/x
  3. Step 3: Cross multiply
    61,169.87x = 91,692.80 × 41,450.42
  4. Step 4: Simplify right side
    61,169.87x = 3,800,704,716.14
  5. Step 5: Solve for x
    x = 3,800,704,716.14/61,169.87
  6. Step 6: Final answer
    x = 62,133.61

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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.