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Finding the Fourth Proportional to 80,249.08, 110,747.70 and 44,443

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Solution

The fourth proportional to 80,249.08, 110,747.70 and 44,443 is: 61,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,249.08 : 110,747.70 = 44,443 : x
  2. Step 2: Convert to fraction form
    80,249.08/110,747.70 = 44,443/x
  3. Step 3: Cross multiply
    80,249.08x = 110,747.70 × 44,443
  4. Step 4: Simplify right side
    80,249.08x = 4,921,960,031.10
  5. Step 5: Solve for x
    x = 4,921,960,031.10/80,249.08
  6. Step 6: Final answer
    x = 61,333.54

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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.