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Finding the Fourth Proportional to 226.79, 340.01 and 96.69

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Solution

The fourth proportional to 226.79, 340.01 and 96.69 is: 144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.79 : 340.01 = 96.69 : x
  2. Step 2: Convert to fraction form
    226.79/340.01 = 96.69/x
  3. Step 3: Cross multiply
    226.79x = 340.01 × 96.69
  4. Step 4: Simplify right side
    226.79x = 32,875.57
  5. Step 5: Solve for x
    x = 32,875.57/226.79
  6. Step 6: Final answer
    x = 144.96

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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.