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Finding the Fourth Proportional to 114.18, 171.26 and 33.02

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Solution

The fourth proportional to 114.18, 171.26 and 33.02 is: 49.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.18 : 171.26 = 33.02 : x
  2. Step 2: Convert to fraction form
    114.18/171.26 = 33.02/x
  3. Step 3: Cross multiply
    114.18x = 171.26 × 33.02
  4. Step 4: Simplify right side
    114.18x = 5,655.01
  5. Step 5: Solve for x
    x = 5,655.01/114.18
  6. Step 6: Final answer
    x = 49.53

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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.