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Finding the Fourth Proportional to 114.52, 171.62 and 50.26

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Solution

The fourth proportional to 114.52, 171.62 and 50.26 is: 75.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.52 : 171.62 = 50.26 : x
  2. Step 2: Convert to fraction form
    114.52/171.62 = 50.26/x
  3. Step 3: Cross multiply
    114.52x = 171.62 × 50.26
  4. Step 4: Simplify right side
    114.52x = 8,625.62
  5. Step 5: Solve for x
    x = 8,625.62/114.52
  6. Step 6: Final answer
    x = 75.32

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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.