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Finding the Fourth Proportional to 239,372.62, 330,334.25 and 131,945.00

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Solution

The fourth proportional to 239,372.62, 330,334.25 and 131,945.00 is: 182,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,372.62 : 330,334.25 = 131,945.00 : x
  2. Step 2: Convert to fraction form
    239,372.62/330,334.25 = 131,945.00/x
  3. Step 3: Cross multiply
    239,372.62x = 330,334.25 × 131,945.00
  4. Step 4: Simplify right side
    239,372.62x = 43,585,952,905.17
  5. Step 5: Solve for x
    x = 43,585,952,905.17/239,372.62
  6. Step 6: Final answer
    x = 182,084.12

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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.