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Finding the Fourth Proportional to 166.58, 229.83 and 104.41

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Solution

The fourth proportional to 166.58, 229.83 and 104.41 is: 144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.58 : 229.83 = 104.41 : x
  2. Step 2: Convert to fraction form
    166.58/229.83 = 104.41/x
  3. Step 3: Cross multiply
    166.58x = 229.83 × 104.41
  4. Step 4: Simplify right side
    166.58x = 23,996.55
  5. Step 5: Solve for x
    x = 23,996.55/166.58
  6. Step 6: Final answer
    x = 144.05

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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.