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Finding the Fourth Proportional to 80,593.56, 111,210.80 and 44,779.61

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Solution

The fourth proportional to 80,593.56, 111,210.80 and 44,779.61 is: 61,791.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,593.56 : 111,210.80 = 44,779.61 : x
  2. Step 2: Convert to fraction form
    80,593.56/111,210.80 = 44,779.61/x
  3. Step 3: Cross multiply
    80,593.56x = 111,210.80 × 44,779.61
  4. Step 4: Simplify right side
    80,593.56x = 4,979,976,251.79
  5. Step 5: Solve for x
    x = 4,979,976,251.79/80,593.56
  6. Step 6: Final answer
    x = 61,791.24

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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.