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Finding the Fourth Proportional to 166.58, 229.88 and 104.44

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Solution

The fourth proportional to 166.58, 229.88 and 104.44 is: 144.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.58 : 229.88 = 104.44 : x
  2. Step 2: Convert to fraction form
    166.58/229.88 = 104.44/x
  3. Step 3: Cross multiply
    166.58x = 229.88 × 104.44
  4. Step 4: Simplify right side
    166.58x = 24,008.67
  5. Step 5: Solve for x
    x = 24,008.67/166.58
  6. Step 6: Final answer
    x = 144.13

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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.