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Finding the Fourth Proportional to 226.26, 339.40 and 118.04

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Solution

The fourth proportional to 226.26, 339.40 and 118.04 is: 177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.26 : 339.40 = 118.04 : x
  2. Step 2: Convert to fraction form
    226.26/339.40 = 118.04/x
  3. Step 3: Cross multiply
    226.26x = 339.40 × 118.04
  4. Step 4: Simplify right side
    226.26x = 40,061.34
  5. Step 5: Solve for x
    x = 40,061.34/226.26
  6. Step 6: Final answer
    x = 177.06

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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.