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Finding the Fourth Proportional to 253.92, 350.24 and 176.24

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Solution

The fourth proportional to 253.92, 350.24 and 176.24 is: 243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    253.92 : 350.24 = 176.24 : x
  2. Step 2: Convert to fraction form
    253.92/350.24 = 176.24/x
  3. Step 3: Cross multiply
    253.92x = 350.24 × 176.24
  4. Step 4: Simplify right side
    253.92x = 61,726.30
  5. Step 5: Solve for x
    x = 61,726.30/253.92
  6. Step 6: Final answer
    x = 243.09

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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.