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Finding the Fourth Proportional to 235.55, 352.49 and 162.44

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Solution

The fourth proportional to 235.55, 352.49 and 162.44 is: 243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.55 : 352.49 = 162.44 : x
  2. Step 2: Convert to fraction form
    235.55/352.49 = 162.44/x
  3. Step 3: Cross multiply
    235.55x = 352.49 × 162.44
  4. Step 4: Simplify right side
    235.55x = 57,255.90
  5. Step 5: Solve for x
    x = 57,255.90/235.55
  6. Step 6: Final answer
    x = 243.08

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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.