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Finding the Fourth Proportional to 80,190.52, 110,661.32 and 44,378.44

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Solution

The fourth proportional to 80,190.52, 110,661.32 and 44,378.44 is: 61,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,190.52 : 110,661.32 = 44,378.44 : x
  2. Step 2: Convert to fraction form
    80,190.52/110,661.32 = 44,378.44/x
  3. Step 3: Cross multiply
    80,190.52x = 110,661.32 × 44,378.44
  4. Step 4: Simplify right side
    80,190.52x = 4,910,976,749.94
  5. Step 5: Solve for x
    x = 4,910,976,749.94/80,190.52
  6. Step 6: Final answer
    x = 61,241.36

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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.