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Finding the Fourth Proportional to 160.88, 241.34 and 64.68

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Solution

The fourth proportional to 160.88, 241.34 and 64.68 is: 97.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.88 : 241.34 = 64.68 : x
  2. Step 2: Convert to fraction form
    160.88/241.34 = 64.68/x
  3. Step 3: Cross multiply
    160.88x = 241.34 × 64.68
  4. Step 4: Simplify right side
    160.88x = 15,609.87
  5. Step 5: Solve for x
    x = 15,609.87/160.88
  6. Step 6: Final answer
    x = 97.03

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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.