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Finding the Fourth Proportional to 262,481.44, 393,837.52 and 137,793.44

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Solution

The fourth proportional to 262,481.44, 393,837.52 and 137,793.44 is: 206,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,481.44 : 393,837.52 = 137,793.44 : x
  2. Step 2: Convert to fraction form
    262,481.44/393,837.52 = 137,793.44/x
  3. Step 3: Cross multiply
    262,481.44x = 393,837.52 × 137,793.44
  4. Step 4: Simplify right side
    262,481.44x = 54,268,226,681.87
  5. Step 5: Solve for x
    x = 54,268,226,681.87/262,481.44
  6. Step 6: Final answer
    x = 206,750.72

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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.