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Finding the Fourth Proportional to 160.54, 240.24 and 112.48

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Solution

The fourth proportional to 160.54, 240.24 and 112.48 is: 168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.54 : 240.24 = 112.48 : x
  2. Step 2: Convert to fraction form
    160.54/240.24 = 112.48/x
  3. Step 3: Cross multiply
    160.54x = 240.24 × 112.48
  4. Step 4: Simplify right side
    160.54x = 27,022.20
  5. Step 5: Solve for x
    x = 27,022.20/160.54
  6. Step 6: Final answer
    x = 168.32

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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.