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Finding the Fourth Proportional to 179.97, 248.27 and 114.36

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Solution

The fourth proportional to 179.97, 248.27 and 114.36 is: 157.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.97 : 248.27 = 114.36 : x
  2. Step 2: Convert to fraction form
    179.97/248.27 = 114.36/x
  3. Step 3: Cross multiply
    179.97x = 248.27 × 114.36
  4. Step 4: Simplify right side
    179.97x = 28,391.59
  5. Step 5: Solve for x
    x = 28,391.59/179.97
  6. Step 6: Final answer
    x = 157.76

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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.