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Finding the Fourth Proportional to 104.58, 156.82 and 32.42

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Solution

The fourth proportional to 104.58, 156.82 and 32.42 is: 48.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.58 : 156.82 = 32.42 : x
  2. Step 2: Convert to fraction form
    104.58/156.82 = 32.42/x
  3. Step 3: Cross multiply
    104.58x = 156.82 × 32.42
  4. Step 4: Simplify right side
    104.58x = 5,084.10
  5. Step 5: Solve for x
    x = 5,084.10/104.58
  6. Step 6: Final answer
    x = 48.61

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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.