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Finding the Fourth Proportional to 160.98, 241.26 and 120.48

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Solution

The fourth proportional to 160.98, 241.26 and 120.48 is: 180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.98 : 241.26 = 120.48 : x
  2. Step 2: Convert to fraction form
    160.98/241.26 = 120.48/x
  3. Step 3: Cross multiply
    160.98x = 241.26 × 120.48
  4. Step 4: Simplify right side
    160.98x = 29,067.00
  5. Step 5: Solve for x
    x = 29,067.00/160.98
  6. Step 6: Final answer
    x = 180.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.