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Finding the Fourth Proportional to 74,571.88, 111,967.98 and 49,766.44

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Solution

The fourth proportional to 74,571.88, 111,967.98 and 49,766.44 is: 74,723.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.88 : 111,967.98 = 49,766.44 : x
  2. Step 2: Convert to fraction form
    74,571.88/111,967.98 = 49,766.44/x
  3. Step 3: Cross multiply
    74,571.88x = 111,967.98 × 49,766.44
  4. Step 4: Simplify right side
    74,571.88x = 5,572,247,758.59
  5. Step 5: Solve for x
    x = 5,572,247,758.59/74,571.88
  6. Step 6: Final answer
    x = 74,723.18

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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.