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Finding the Fourth Proportional to 79,839.80, 110,185.49 and 44,033.21

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Solution

The fourth proportional to 79,839.80, 110,185.49 and 44,033.21 is: 60,769.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,839.80 : 110,185.49 = 44,033.21 : x
  2. Step 2: Convert to fraction form
    79,839.80/110,185.49 = 44,033.21/x
  3. Step 3: Cross multiply
    79,839.80x = 110,185.49 × 44,033.21
  4. Step 4: Simplify right side
    79,839.80x = 4,851,820,820.12
  5. Step 5: Solve for x
    x = 4,851,820,820.12/79,839.80
  6. Step 6: Final answer
    x = 60,769.45

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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.