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Finding the Fourth Proportional to 80,606.80, 111,231.12 and 44,793.64

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Solution

The fourth proportional to 80,606.80, 111,231.12 and 44,793.64 is: 61,811.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,606.80 : 111,231.12 = 44,793.64 : x
  2. Step 2: Convert to fraction form
    80,606.80/111,231.12 = 44,793.64/x
  3. Step 3: Cross multiply
    80,606.80x = 111,231.12 × 44,793.64
  4. Step 4: Simplify right side
    80,606.80x = 4,982,446,746.08
  5. Step 5: Solve for x
    x = 4,982,446,746.08/80,606.80
  6. Step 6: Final answer
    x = 61,811.74

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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.