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Finding the Fourth Proportional to 160.93, 241.48 and 115.22

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Solution

The fourth proportional to 160.93, 241.48 and 115.22 is: 172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.93 : 241.48 = 115.22 : x
  2. Step 2: Convert to fraction form
    160.93/241.48 = 115.22/x
  3. Step 3: Cross multiply
    160.93x = 241.48 × 115.22
  4. Step 4: Simplify right side
    160.93x = 27,823.33
  5. Step 5: Solve for x
    x = 27,823.33/160.93
  6. Step 6: Final answer
    x = 172.89

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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.