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Finding the Fourth Proportional to 160.67, 241.03 and 64.49

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Solution

The fourth proportional to 160.67, 241.03 and 64.49 is: 96.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.67 : 241.03 = 64.49 : x
  2. Step 2: Convert to fraction form
    160.67/241.03 = 64.49/x
  3. Step 3: Cross multiply
    160.67x = 241.03 × 64.49
  4. Step 4: Simplify right side
    160.67x = 15,542.66
  5. Step 5: Solve for x
    x = 15,542.66/160.67
  6. Step 6: Final answer
    x = 96.74

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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.