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Finding the Fourth Proportional to 114.36, 171.56 and 33.22

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Solution

The fourth proportional to 114.36, 171.56 and 33.22 is: 49.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.36 : 171.56 = 33.22 : x
  2. Step 2: Convert to fraction form
    114.36/171.56 = 33.22/x
  3. Step 3: Cross multiply
    114.36x = 171.56 × 33.22
  4. Step 4: Simplify right side
    114.36x = 5,699.22
  5. Step 5: Solve for x
    x = 5,699.22/114.36
  6. Step 6: Final answer
    x = 49.84

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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.