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Finding the Fourth Proportional to 175.46, 241.94 and 131.18

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Solution

The fourth proportional to 175.46, 241.94 and 131.18 is: 180.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.46 : 241.94 = 131.18 : x
  2. Step 2: Convert to fraction form
    175.46/241.94 = 131.18/x
  3. Step 3: Cross multiply
    175.46x = 241.94 × 131.18
  4. Step 4: Simplify right side
    175.46x = 31,737.69
  5. Step 5: Solve for x
    x = 31,737.69/175.46
  6. Step 6: Final answer
    x = 180.88

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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.