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Finding the Fourth Proportional to 238,194.35, 356,824.42 and 138,144.41

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Solution

The fourth proportional to 238,194.35, 356,824.42 and 138,144.41 is: 206,945.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,194.35 : 356,824.42 = 138,144.41 : x
  2. Step 2: Convert to fraction form
    238,194.35/356,824.42 = 138,144.41/x
  3. Step 3: Cross multiply
    238,194.35x = 356,824.42 × 138,144.41
  4. Step 4: Simplify right side
    238,194.35x = 49,293,298,283.77
  5. Step 5: Solve for x
    x = 49,293,298,283.77/238,194.35
  6. Step 6: Final answer
    x = 206,945.71

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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.