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Finding the Fourth Proportional to 114.62, 170.94 and 96.44

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Solution

The fourth proportional to 114.62, 170.94 and 96.44 is: 143.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.62 : 170.94 = 96.44 : x
  2. Step 2: Convert to fraction form
    114.62/170.94 = 96.44/x
  3. Step 3: Cross multiply
    114.62x = 170.94 × 96.44
  4. Step 4: Simplify right side
    114.62x = 16,484.60
  5. Step 5: Solve for x
    x = 16,484.60/114.62
  6. Step 6: Final answer
    x = 143.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.