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Finding the Fourth Proportional to 175.19, 241.94 and 160.61

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Solution

The fourth proportional to 175.19, 241.94 and 160.61 is: 221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.19 : 241.94 = 160.61 : x
  2. Step 2: Convert to fraction form
    175.19/241.94 = 160.61/x
  3. Step 3: Cross multiply
    175.19x = 241.94 × 160.61
  4. Step 4: Simplify right side
    175.19x = 38,857.18
  5. Step 5: Solve for x
    x = 38,857.18/175.19
  6. Step 6: Final answer
    x = 221.81

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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.