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Finding the Fourth Proportional to 226.96, 339.93 and 165.94

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Solution

The fourth proportional to 226.96, 339.93 and 165.94 is: 248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.96 : 339.93 = 165.94 : x
  2. Step 2: Convert to fraction form
    226.96/339.93 = 165.94/x
  3. Step 3: Cross multiply
    226.96x = 339.93 × 165.94
  4. Step 4: Simplify right side
    226.96x = 56,407.98
  5. Step 5: Solve for x
    x = 56,407.98/226.96
  6. Step 6: Final answer
    x = 248.54

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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.