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Finding the Fourth Proportional to 235.27, 352.26 and 170.08

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Solution

The fourth proportional to 235.27, 352.26 and 170.08 is: 254.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.27 : 352.26 = 170.08 : x
  2. Step 2: Convert to fraction form
    235.27/352.26 = 170.08/x
  3. Step 3: Cross multiply
    235.27x = 352.26 × 170.08
  4. Step 4: Simplify right side
    235.27x = 59,912.38
  5. Step 5: Solve for x
    x = 59,912.38/235.27
  6. Step 6: Final answer
    x = 254.65

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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.