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Finding the Fourth Proportional to 179.77, 247.96 and 124.44

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Solution

The fourth proportional to 179.77, 247.96 and 124.44 is: 171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.77 : 247.96 = 124.44 : x
  2. Step 2: Convert to fraction form
    179.77/247.96 = 124.44/x
  3. Step 3: Cross multiply
    179.77x = 247.96 × 124.44
  4. Step 4: Simplify right side
    179.77x = 30,855.37
  5. Step 5: Solve for x
    x = 30,855.37/179.77
  6. Step 6: Final answer
    x = 171.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.