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Finding the Fourth Proportional to 79,821.36, 110,154.22 and 44,012.66

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Solution

The fourth proportional to 79,821.36, 110,154.22 and 44,012.66 is: 60,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,821.36 : 110,154.22 = 44,012.66 : x
  2. Step 2: Convert to fraction form
    79,821.36/110,154.22 = 44,012.66/x
  3. Step 3: Cross multiply
    79,821.36x = 110,154.22 × 44,012.66
  4. Step 4: Simplify right side
    79,821.36x = 4,848,179,571.62
  5. Step 5: Solve for x
    x = 4,848,179,571.62/79,821.36
  6. Step 6: Final answer
    x = 60,737.87

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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.