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Finding the Fourth Proportional to 179.11, 246.94 and 176.68

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Solution

The fourth proportional to 179.11, 246.94 and 176.68 is: 243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.11 : 246.94 = 176.68 : x
  2. Step 2: Convert to fraction form
    179.11/246.94 = 176.68/x
  3. Step 3: Cross multiply
    179.11x = 246.94 × 176.68
  4. Step 4: Simplify right side
    179.11x = 43,629.36
  5. Step 5: Solve for x
    x = 43,629.36/179.11
  6. Step 6: Final answer
    x = 243.59

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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.