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Finding the Fourth Proportional to 119.44, 179 and 58.48

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Solution

The fourth proportional to 119.44, 179 and 58.48 is: 87.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.44 : 179 = 58.48 : x
  2. Step 2: Convert to fraction form
    119.44/179 = 58.48/x
  3. Step 3: Cross multiply
    119.44x = 179 × 58.48
  4. Step 4: Simplify right side
    119.44x = 10,467.92
  5. Step 5: Solve for x
    x = 10,467.92/119.44
  6. Step 6: Final answer
    x = 87.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.