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Finding the Fourth Proportional to 104.44, 156.66 and 32.30

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Solution

The fourth proportional to 104.44, 156.66 and 32.30 is: 48.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.44 : 156.66 = 32.30 : x
  2. Step 2: Convert to fraction form
    104.44/156.66 = 32.30/x
  3. Step 3: Cross multiply
    104.44x = 156.66 × 32.30
  4. Step 4: Simplify right side
    104.44x = 5,059.33
  5. Step 5: Solve for x
    x = 5,059.33/104.44
  6. Step 6: Final answer
    x = 48.44

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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.