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Finding the Fourth Proportional to 270,249.98, 372,939.48 and 149,396.36

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Solution

The fourth proportional to 270,249.98, 372,939.48 and 149,396.36 is: 206,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,249.98 : 372,939.48 = 149,396.36 : x
  2. Step 2: Convert to fraction form
    270,249.98/372,939.48 = 149,396.36/x
  3. Step 3: Cross multiply
    270,249.98x = 372,939.48 × 149,396.36
  4. Step 4: Simplify right side
    270,249.98x = 55,715,800,812.29
  5. Step 5: Solve for x
    x = 55,715,800,812.29/270,249.98
  6. Step 6: Final answer
    x = 206,163.94

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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.