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Finding the Fourth Proportional to 226.67, 340 and 111.07

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Solution

The fourth proportional to 226.67, 340 and 111.07 is: 166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.67 : 340 = 111.07 : x
  2. Step 2: Convert to fraction form
    226.67/340 = 111.07/x
  3. Step 3: Cross multiply
    226.67x = 340 × 111.07
  4. Step 4: Simplify right side
    226.67x = 37,763.80
  5. Step 5: Solve for x
    x = 37,763.80/226.67
  6. Step 6: Final answer
    x = 166.60

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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.