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Finding the Fourth Proportional to 179.18, 246.91 and 116.94

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Solution

The fourth proportional to 179.18, 246.91 and 116.94 is: 161.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.18 : 246.91 = 116.94 : x
  2. Step 2: Convert to fraction form
    179.18/246.91 = 116.94/x
  3. Step 3: Cross multiply
    179.18x = 246.91 × 116.94
  4. Step 4: Simplify right side
    179.18x = 28,873.66
  5. Step 5: Solve for x
    x = 28,873.66/179.18
  6. Step 6: Final answer
    x = 161.14

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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.