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Finding the Fourth Proportional to 114.12, 171 and 41.94

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Solution

The fourth proportional to 114.12, 171 and 41.94 is: 62.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.12 : 171 = 41.94 : x
  2. Step 2: Convert to fraction form
    114.12/171 = 41.94/x
  3. Step 3: Cross multiply
    114.12x = 171 × 41.94
  4. Step 4: Simplify right side
    114.12x = 7,171.74
  5. Step 5: Solve for x
    x = 7,171.74/114.12
  6. Step 6: Final answer
    x = 62.84

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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.