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Finding the Fourth Proportional to 226.59, 339.56 and 158.01

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Solution

The fourth proportional to 226.59, 339.56 and 158.01 is: 236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.59 : 339.56 = 158.01 : x
  2. Step 2: Convert to fraction form
    226.59/339.56 = 158.01/x
  3. Step 3: Cross multiply
    226.59x = 339.56 × 158.01
  4. Step 4: Simplify right side
    226.59x = 53,653.88
  5. Step 5: Solve for x
    x = 53,653.88/226.59
  6. Step 6: Final answer
    x = 236.79

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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.