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Finding the Fourth Proportional to 113.52, 170.24 and 32.36

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Solution

The fourth proportional to 113.52, 170.24 and 32.36 is: 48.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.52 : 170.24 = 32.36 : x
  2. Step 2: Convert to fraction form
    113.52/170.24 = 32.36/x
  3. Step 3: Cross multiply
    113.52x = 170.24 × 32.36
  4. Step 4: Simplify right side
    113.52x = 5,508.97
  5. Step 5: Solve for x
    x = 5,508.97/113.52
  6. Step 6: Final answer
    x = 48.53

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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.