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Finding the Fourth Proportional to 79,950.87, 110,331.49 and 44,140.11

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Solution

The fourth proportional to 79,950.87, 110,331.49 and 44,140.11 is: 60,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,950.87 : 110,331.49 = 44,140.11 : x
  2. Step 2: Convert to fraction form
    79,950.87/110,331.49 = 44,140.11/x
  3. Step 3: Cross multiply
    79,950.87x = 110,331.49 × 44,140.11
  4. Step 4: Simplify right side
    79,950.87x = 4,870,044,718.80
  5. Step 5: Solve for x
    x = 4,870,044,718.80/79,950.87
  6. Step 6: Final answer
    x = 60,912.97

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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.