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Finding the Fourth Proportional to 171.94, 237.84 and 160.92

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Solution

The fourth proportional to 171.94, 237.84 and 160.92 is: 222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171.94 : 237.84 = 160.92 : x
  2. Step 2: Convert to fraction form
    171.94/237.84 = 160.92/x
  3. Step 3: Cross multiply
    171.94x = 237.84 × 160.92
  4. Step 4: Simplify right side
    171.94x = 38,272.61
  5. Step 5: Solve for x
    x = 38,272.61/171.94
  6. Step 6: Final answer
    x = 222.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.