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Finding the Fourth Proportional to 104.52, 156.85 and 36.04

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Solution

The fourth proportional to 104.52, 156.85 and 36.04 is: 54.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.52 : 156.85 = 36.04 : x
  2. Step 2: Convert to fraction form
    104.52/156.85 = 36.04/x
  3. Step 3: Cross multiply
    104.52x = 156.85 × 36.04
  4. Step 4: Simplify right side
    104.52x = 5,652.94
  5. Step 5: Solve for x
    x = 5,652.94/104.52
  6. Step 6: Final answer
    x = 54.09

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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.