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Finding the Fourth Proportional to 195,998.80, 293,560.80 and 151,481.20

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Solution

The fourth proportional to 195,998.80, 293,560.80 and 151,481.20 is: 226,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,998.80 : 293,560.80 = 151,481.20 : x
  2. Step 2: Convert to fraction form
    195,998.80/293,560.80 = 151,481.20/x
  3. Step 3: Cross multiply
    195,998.80x = 293,560.80 × 151,481.20
  4. Step 4: Simplify right side
    195,998.80x = 44,468,942,256.96
  5. Step 5: Solve for x
    x = 44,468,942,256.96/195,998.80
  6. Step 6: Final answer
    x = 226,883.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.