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Finding the Fourth Proportional to 80,676.96, 111,323.52 and 44,859.84

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Solution

The fourth proportional to 80,676.96, 111,323.52 and 44,859.84 is: 61,900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,676.96 : 111,323.52 = 44,859.84 : x
  2. Step 2: Convert to fraction form
    80,676.96/111,323.52 = 44,859.84/x
  3. Step 3: Cross multiply
    80,676.96x = 111,323.52 × 44,859.84
  4. Step 4: Simplify right side
    80,676.96x = 4,993,955,295.44
  5. Step 5: Solve for x
    x = 4,993,955,295.44/80,676.96
  6. Step 6: Final answer
    x = 61,900.64

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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.