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Finding the Fourth Proportional to 80,118, 110,558.49 and 44,305.92

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Solution

The fourth proportional to 80,118, 110,558.49 and 44,305.92 is: 61,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,118 : 110,558.49 = 44,305.92 : x
  2. Step 2: Convert to fraction form
    80,118/110,558.49 = 44,305.92/x
  3. Step 3: Cross multiply
    80,118x = 110,558.49 × 44,305.92
  4. Step 4: Simplify right side
    80,118x = 4,898,395,613.26
  5. Step 5: Solve for x
    x = 4,898,395,613.26/80,118
  6. Step 6: Final answer
    x = 61,139.76

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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.