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Finding the Fourth Proportional to 80,270.02, 110,847.08 and 60,091.88

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Solution

The fourth proportional to 80,270.02, 110,847.08 and 60,091.88 is: 82,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,270.02 : 110,847.08 = 60,091.88 : x
  2. Step 2: Convert to fraction form
    80,270.02/110,847.08 = 60,091.88/x
  3. Step 3: Cross multiply
    80,270.02x = 110,847.08 × 60,091.88
  4. Step 4: Simplify right side
    80,270.02x = 6,661,009,025.70
  5. Step 5: Solve for x
    x = 6,661,009,025.70/80,270.02
  6. Step 6: Final answer
    x = 82,982.53

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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.