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Finding the Fourth Proportional to 104.49, 156.75 and 32.34

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Solution

The fourth proportional to 104.49, 156.75 and 32.34 is: 48.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104.49 : 156.75 = 32.34 : x
  2. Step 2: Convert to fraction form
    104.49/156.75 = 32.34/x
  3. Step 3: Cross multiply
    104.49x = 156.75 × 32.34
  4. Step 4: Simplify right side
    104.49x = 5,069.30
  5. Step 5: Solve for x
    x = 5,069.30/104.49
  6. Step 6: Final answer
    x = 48.51

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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.