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Finding the Fourth Proportional to 114.61, 171.88 and 33.43

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Solution

The fourth proportional to 114.61, 171.88 and 33.43 is: 50.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.61 : 171.88 = 33.43 : x
  2. Step 2: Convert to fraction form
    114.61/171.88 = 33.43/x
  3. Step 3: Cross multiply
    114.61x = 171.88 × 33.43
  4. Step 4: Simplify right side
    114.61x = 5,745.95
  5. Step 5: Solve for x
    x = 5,745.95/114.61
  6. Step 6: Final answer
    x = 50.13

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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.