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Finding the Fourth Proportional to 96.45, 144.67 and 62.27

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Solution

The fourth proportional to 96.45, 144.67 and 62.27 is: 93.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.45 : 144.67 = 62.27 : x
  2. Step 2: Convert to fraction form
    96.45/144.67 = 62.27/x
  3. Step 3: Cross multiply
    96.45x = 144.67 × 62.27
  4. Step 4: Simplify right side
    96.45x = 9,008.60
  5. Step 5: Solve for x
    x = 9,008.60/96.45
  6. Step 6: Final answer
    x = 93.40

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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.