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Finding the Fourth Proportional to 80,469.77, 111,043.10 and 44,659.80

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Solution

The fourth proportional to 80,469.77, 111,043.10 and 44,659.80 is: 61,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,469.77 : 111,043.10 = 44,659.80 : x
  2. Step 2: Convert to fraction form
    80,469.77/111,043.10 = 44,659.80/x
  3. Step 3: Cross multiply
    80,469.77x = 111,043.10 × 44,659.80
  4. Step 4: Simplify right side
    80,469.77x = 4,959,162,749.03
  5. Step 5: Solve for x
    x = 4,959,162,749.03/80,469.77
  6. Step 6: Final answer
    x = 61,627.65

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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.