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Finding the Fourth Proportional to 114.36, 171.54 and 33.26

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Solution

The fourth proportional to 114.36, 171.54 and 33.26 is: 49.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.36 : 171.54 = 33.26 : x
  2. Step 2: Convert to fraction form
    114.36/171.54 = 33.26/x
  3. Step 3: Cross multiply
    114.36x = 171.54 × 33.26
  4. Step 4: Simplify right side
    114.36x = 5,705.62
  5. Step 5: Solve for x
    x = 5,705.62/114.36
  6. Step 6: Final answer
    x = 49.89

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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.