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Finding the Fourth Proportional to 113.43, 170.14 and 32.27

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Solution

The fourth proportional to 113.43, 170.14 and 32.27 is: 48.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.43 : 170.14 = 32.27 : x
  2. Step 2: Convert to fraction form
    113.43/170.14 = 32.27/x
  3. Step 3: Cross multiply
    113.43x = 170.14 × 32.27
  4. Step 4: Simplify right side
    113.43x = 5,490.42
  5. Step 5: Solve for x
    x = 5,490.42/113.43
  6. Step 6: Final answer
    x = 48.40

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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.