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Finding the Fourth Proportional to 226.82, 340.29 and 96.75

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Solution

The fourth proportional to 226.82, 340.29 and 96.75 is: 145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.82 : 340.29 = 96.75 : x
  2. Step 2: Convert to fraction form
    226.82/340.29 = 96.75/x
  3. Step 3: Cross multiply
    226.82x = 340.29 × 96.75
  4. Step 4: Simplify right side
    226.82x = 32,920.87
  5. Step 5: Solve for x
    x = 32,920.87/226.82
  6. Step 6: Final answer
    x = 145.14

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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.