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Finding the Fourth Proportional to 114.01, 170.57 and 96.66

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Solution

The fourth proportional to 114.01, 170.57 and 96.66 is: 144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.01 : 170.57 = 96.66 : x
  2. Step 2: Convert to fraction form
    114.01/170.57 = 96.66/x
  3. Step 3: Cross multiply
    114.01x = 170.57 × 96.66
  4. Step 4: Simplify right side
    114.01x = 16,487.54
  5. Step 5: Solve for x
    x = 16,487.54/114.01
  6. Step 6: Final answer
    x = 144.62

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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.