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Finding the Fourth Proportional to 114.44, 171.99 and 106.34

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Solution

The fourth proportional to 114.44, 171.99 and 106.34 is: 159.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.44 : 171.99 = 106.34 : x
  2. Step 2: Convert to fraction form
    114.44/171.99 = 106.34/x
  3. Step 3: Cross multiply
    114.44x = 171.99 × 106.34
  4. Step 4: Simplify right side
    114.44x = 18,288.56
  5. Step 5: Solve for x
    x = 18,288.56/114.44
  6. Step 6: Final answer
    x = 159.82

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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.