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Finding the Fourth Proportional to 237,218.94, 327,359.22 and 129,787.44

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Solution

The fourth proportional to 237,218.94, 327,359.22 and 129,787.44 is: 179,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,218.94 : 327,359.22 = 129,787.44 : x
  2. Step 2: Convert to fraction form
    237,218.94/327,359.22 = 129,787.44/x
  3. Step 3: Cross multiply
    237,218.94x = 327,359.22 × 129,787.44
  4. Step 4: Simplify right side
    237,218.94x = 42,487,115,124.20
  5. Step 5: Solve for x
    x = 42,487,115,124.20/237,218.94
  6. Step 6: Final answer
    x = 179,105.07

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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.