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Finding the Fourth Proportional to 80,659.64, 111,308.40 and 44,849.56

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Solution

The fourth proportional to 80,659.64, 111,308.40 and 44,849.56 is: 61,891.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,659.64 : 111,308.40 = 44,849.56 : x
  2. Step 2: Convert to fraction form
    80,659.64/111,308.40 = 44,849.56/x
  3. Step 3: Cross multiply
    80,659.64x = 111,308.40 × 44,849.56
  4. Step 4: Simplify right side
    80,659.64x = 4,992,132,764.30
  5. Step 5: Solve for x
    x = 4,992,132,764.30/80,659.64
  6. Step 6: Final answer
    x = 61,891.33

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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.