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Finding the Fourth Proportional to 238,993.84, 329,823.39 and 131,562.73

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Solution

The fourth proportional to 238,993.84, 329,823.39 and 131,562.73 is: 181,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,993.84 : 329,823.39 = 131,562.73 : x
  2. Step 2: Convert to fraction form
    238,993.84/329,823.39 = 131,562.73/x
  3. Step 3: Cross multiply
    238,993.84x = 329,823.39 × 131,562.73
  4. Step 4: Simplify right side
    238,993.84x = 43,392,465,606.25
  5. Step 5: Solve for x
    x = 43,392,465,606.25/238,993.84
  6. Step 6: Final answer
    x = 181,563.11

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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.