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Finding the Fourth Proportional to 104.68, 156.96 and 32.52

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Solution

The fourth proportional to 104.68, 156.96 and 32.52 is: 48.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.68 : 156.96 = 32.52 : x
  2. Step 2: Convert to fraction form
    104.68/156.96 = 32.52/x
  3. Step 3: Cross multiply
    104.68x = 156.96 × 32.52
  4. Step 4: Simplify right side
    104.68x = 5,104.34
  5. Step 5: Solve for x
    x = 5,104.34/104.68
  6. Step 6: Final answer
    x = 48.76

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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.