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Finding the Fourth Proportional to 270,704.95, 373,568.31 and 149,843.65

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Solution

The fourth proportional to 270,704.95, 373,568.31 and 149,843.65 is: 206,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,704.95 : 373,568.31 = 149,843.65 : x
  2. Step 2: Convert to fraction form
    270,704.95/373,568.31 = 149,843.65/x
  3. Step 3: Cross multiply
    270,704.95x = 373,568.31 × 149,843.65
  4. Step 4: Simplify right side
    270,704.95x = 55,976,839,094.73
  5. Step 5: Solve for x
    x = 55,976,839,094.73/270,704.95
  6. Step 6: Final answer
    x = 206,781.73

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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.