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Finding the Fourth Proportional to 226.02, 311.41 and 162.95

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Solution

The fourth proportional to 226.02, 311.41 and 162.95 is: 224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.02 : 311.41 = 162.95 : x
  2. Step 2: Convert to fraction form
    226.02/311.41 = 162.95/x
  3. Step 3: Cross multiply
    226.02x = 311.41 × 162.95
  4. Step 4: Simplify right side
    226.02x = 50,744.26
  5. Step 5: Solve for x
    x = 50,744.26/226.02
  6. Step 6: Final answer
    x = 224.51

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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.