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Finding the Fourth Proportional to 246.88, 340.49 and 176.23

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Solution

The fourth proportional to 246.88, 340.49 and 176.23 is: 243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    246.88 : 340.49 = 176.23 : x
  2. Step 2: Convert to fraction form
    246.88/340.49 = 176.23/x
  3. Step 3: Cross multiply
    246.88x = 340.49 × 176.23
  4. Step 4: Simplify right side
    246.88x = 60,001.97
  5. Step 5: Solve for x
    x = 60,001.97/246.88
  6. Step 6: Final answer
    x = 243.04

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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.