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Finding the Fourth Proportional to 80,309.18, 110,826.87 and 44,498.90

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Solution

The fourth proportional to 80,309.18, 110,826.87 and 44,498.90 is: 61,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,309.18 : 110,826.87 = 44,498.90 : x
  2. Step 2: Convert to fraction form
    80,309.18/110,826.87 = 44,498.90/x
  3. Step 3: Cross multiply
    80,309.18x = 110,826.87 × 44,498.90
  4. Step 4: Simplify right side
    80,309.18x = 4,931,673,805.44
  5. Step 5: Solve for x
    x = 4,931,673,805.44/80,309.18
  6. Step 6: Final answer
    x = 61,408.59

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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.