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Finding the Fourth Proportional to 80,704.56, 111,373.16 and 44,406.48

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Solution

The fourth proportional to 80,704.56, 111,373.16 and 44,406.48 is: 61,281.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,704.56 : 111,373.16 = 44,406.48 : x
  2. Step 2: Convert to fraction form
    80,704.56/111,373.16 = 44,406.48/x
  3. Step 3: Cross multiply
    80,704.56x = 111,373.16 × 44,406.48
  4. Step 4: Simplify right side
    80,704.56x = 4,945,689,780.04
  5. Step 5: Solve for x
    x = 4,945,689,780.04/80,704.56
  6. Step 6: Final answer
    x = 61,281.42

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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.