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Finding the Fourth Proportional to 80,078.67, 110,498.96 and 44,263.81

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Solution

The fourth proportional to 80,078.67, 110,498.96 and 44,263.81 is: 61,078.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,078.67 : 110,498.96 = 44,263.81 : x
  2. Step 2: Convert to fraction form
    80,078.67/110,498.96 = 44,263.81/x
  3. Step 3: Cross multiply
    80,078.67x = 110,498.96 × 44,263.81
  4. Step 4: Simplify right side
    80,078.67x = 4,891,104,528.80
  5. Step 5: Solve for x
    x = 4,891,104,528.80/80,078.67
  6. Step 6: Final answer
    x = 61,078.75

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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.