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Finding the Fourth Proportional to 113.84, 170.76 and 32.69

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Solution

The fourth proportional to 113.84, 170.76 and 32.69 is: 49.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.84 : 170.76 = 32.69 : x
  2. Step 2: Convert to fraction form
    113.84/170.76 = 32.69/x
  3. Step 3: Cross multiply
    113.84x = 170.76 × 32.69
  4. Step 4: Simplify right side
    113.84x = 5,582.14
  5. Step 5: Solve for x
    x = 5,582.14/113.84
  6. Step 6: Final answer
    x = 49.04

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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.