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Finding the Fourth Proportional to 225.21, 337.92 and 173.84

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Solution

The fourth proportional to 225.21, 337.92 and 173.84 is: 260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225.21 : 337.92 = 173.84 : x
  2. Step 2: Convert to fraction form
    225.21/337.92 = 173.84/x
  3. Step 3: Cross multiply
    225.21x = 337.92 × 173.84
  4. Step 4: Simplify right side
    225.21x = 58,743.14
  5. Step 5: Solve for x
    x = 58,743.14/225.21
  6. Step 6: Final answer
    x = 260.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.