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Finding the Fourth Proportional to 269,867, 372,422.38 and 149,007.96

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Solution

The fourth proportional to 269,867, 372,422.38 and 149,007.96 is: 205,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,867 : 372,422.38 = 149,007.96 : x
  2. Step 2: Convert to fraction form
    269,867/372,422.38 = 149,007.96/x
  3. Step 3: Cross multiply
    269,867x = 372,422.38 × 149,007.96
  4. Step 4: Simplify right side
    269,867x = 55,493,899,102.14
  5. Step 5: Solve for x
    x = 55,493,899,102.14/269,867
  6. Step 6: Final answer
    x = 205,634.25

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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.