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Finding the Fourth Proportional to 80,713.50, 111,379.20 and 44,902.20

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Solution

The fourth proportional to 80,713.50, 111,379.20 and 44,902.20 is: 61,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,713.50 : 111,379.20 = 44,902.20 : x
  2. Step 2: Convert to fraction form
    80,713.50/111,379.20 = 44,902.20/x
  3. Step 3: Cross multiply
    80,713.50x = 111,379.20 × 44,902.20
  4. Step 4: Simplify right side
    80,713.50x = 5,001,171,114.24
  5. Step 5: Solve for x
    x = 5,001,171,114.24/80,713.50
  6. Step 6: Final answer
    x = 61,962.02

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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.