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Finding the Fourth Proportional to 301.52, 452.22 and 118.96

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Solution

The fourth proportional to 301.52, 452.22 and 118.96 is: 178.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    301.52 : 452.22 = 118.96 : x
  2. Step 2: Convert to fraction form
    301.52/452.22 = 118.96/x
  3. Step 3: Cross multiply
    301.52x = 452.22 × 118.96
  4. Step 4: Simplify right side
    301.52x = 53,796.66
  5. Step 5: Solve for x
    x = 53,796.66/301.52
  6. Step 6: Final answer
    x = 178.42

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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.