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Finding the Fourth Proportional to 171.46, 257.64 and 160.53

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Solution

The fourth proportional to 171.46, 257.64 and 160.53 is: 241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.46 : 257.64 = 160.53 : x
  2. Step 2: Convert to fraction form
    171.46/257.64 = 160.53/x
  3. Step 3: Cross multiply
    171.46x = 257.64 × 160.53
  4. Step 4: Simplify right side
    171.46x = 41,358.95
  5. Step 5: Solve for x
    x = 41,358.95/171.46
  6. Step 6: Final answer
    x = 241.22

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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.