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Finding the Fourth Proportional to 80,165.27, 110,624.04 and 43,865.93

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Solution

The fourth proportional to 80,165.27, 110,624.04 and 43,865.93 is: 60,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,165.27 : 110,624.04 = 43,865.93 : x
  2. Step 2: Convert to fraction form
    80,165.27/110,624.04 = 43,865.93/x
  3. Step 3: Cross multiply
    80,165.27x = 110,624.04 × 43,865.93
  4. Step 4: Simplify right side
    80,165.27x = 4,852,626,394.96
  5. Step 5: Solve for x
    x = 4,852,626,394.96/80,165.27
  6. Step 6: Final answer
    x = 60,532.78

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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.