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Finding the Fourth Proportional to 238,992.84, 329,822.01 and 131,561.73

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Solution

The fourth proportional to 238,992.84, 329,822.01 and 131,561.73 is: 181,561.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,992.84 : 329,822.01 = 131,561.73 : x
  2. Step 2: Convert to fraction form
    238,992.84/329,822.01 = 131,561.73/x
  3. Step 3: Cross multiply
    238,992.84x = 329,822.01 × 131,561.73
  4. Step 4: Simplify right side
    238,992.84x = 43,391,954,227.68
  5. Step 5: Solve for x
    x = 43,391,954,227.68/238,992.84
  6. Step 6: Final answer
    x = 181,561.73

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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.