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Finding the Fourth Proportional to 226.22, 339.37 and 117.99

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Solution

The fourth proportional to 226.22, 339.37 and 117.99 is: 177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.22 : 339.37 = 117.99 : x
  2. Step 2: Convert to fraction form
    226.22/339.37 = 117.99/x
  3. Step 3: Cross multiply
    226.22x = 339.37 × 117.99
  4. Step 4: Simplify right side
    226.22x = 40,042.27
  5. Step 5: Solve for x
    x = 40,042.27/226.22
  6. Step 6: Final answer
    x = 177.01

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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.