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Finding the Fourth Proportional to 270,351.72, 373,065.42 and 149,494.60

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Solution

The fourth proportional to 270,351.72, 373,065.42 and 149,494.60 is: 206,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,351.72 : 373,065.42 = 149,494.60 : x
  2. Step 2: Convert to fraction form
    270,351.72/373,065.42 = 149,494.60/x
  3. Step 3: Cross multiply
    270,351.72x = 373,065.42 × 149,494.60
  4. Step 4: Simplify right side
    270,351.72x = 55,771,265,736.73
  5. Step 5: Solve for x
    x = 55,771,265,736.73/270,351.72
  6. Step 6: Final answer
    x = 206,291.51

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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.