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Finding the Fourth Proportional to 104.54, 156.83 and 32.39

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Solution

The fourth proportional to 104.54, 156.83 and 32.39 is: 48.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.54 : 156.83 = 32.39 : x
  2. Step 2: Convert to fraction form
    104.54/156.83 = 32.39/x
  3. Step 3: Cross multiply
    104.54x = 156.83 × 32.39
  4. Step 4: Simplify right side
    104.54x = 5,078.78
  5. Step 5: Solve for x
    x = 5,078.78/104.54
  6. Step 6: Final answer
    x = 48.58

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