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Finding the Fourth Proportional to 134.27, 184.94 and 116.79

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Solution

The fourth proportional to 134.27, 184.94 and 116.79 is: 160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.27 : 184.94 = 116.79 : x
  2. Step 2: Convert to fraction form
    134.27/184.94 = 116.79/x
  3. Step 3: Cross multiply
    134.27x = 184.94 × 116.79
  4. Step 4: Simplify right side
    134.27x = 21,599.14
  5. Step 5: Solve for x
    x = 21,599.14/134.27
  6. Step 6: Final answer
    x = 160.86

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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.