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Finding the Fourth Proportional to 171,940.50, 237,288.42 and 96,489

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Solution

The fourth proportional to 171,940.50, 237,288.42 and 96,489 is: 133,160.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,940.50 : 237,288.42 = 96,489 : x
  2. Step 2: Convert to fraction form
    171,940.50/237,288.42 = 96,489/x
  3. Step 3: Cross multiply
    171,940.50x = 237,288.42 × 96,489
  4. Step 4: Simplify right side
    171,940.50x = 22,895,722,357.38
  5. Step 5: Solve for x
    x = 22,895,722,357.38/171,940.50
  6. Step 6: Final answer
    x = 133,160.73

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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.