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Finding the Fourth Proportional to 80,163.76, 110,629.26 and 44,353.20

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Solution

The fourth proportional to 80,163.76, 110,629.26 and 44,353.20 is: 61,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,163.76 : 110,629.26 = 44,353.20 : x
  2. Step 2: Convert to fraction form
    80,163.76/110,629.26 = 44,353.20/x
  3. Step 3: Cross multiply
    80,163.76x = 110,629.26 × 44,353.20
  4. Step 4: Simplify right side
    80,163.76x = 4,906,761,694.63
  5. Step 5: Solve for x
    x = 4,906,761,694.63/80,163.76
  6. Step 6: Final answer
    x = 61,209.23

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1.5x scale

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.