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Finding the Fourth Proportional to 179.07, 246.82 and 163.58

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Solution

The fourth proportional to 179.07, 246.82 and 163.58 is: 225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.07 : 246.82 = 163.58 : x
  2. Step 2: Convert to fraction form
    179.07/246.82 = 163.58/x
  3. Step 3: Cross multiply
    179.07x = 246.82 × 163.58
  4. Step 4: Simplify right side
    179.07x = 40,372.76
  5. Step 5: Solve for x
    x = 40,372.76/179.07
  6. Step 6: Final answer
    x = 225.46

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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.