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Finding the Fourth Proportional to 96.31, 144.40 and 60.27

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Solution

The fourth proportional to 96.31, 144.40 and 60.27 is: 90.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.31 : 144.40 = 60.27 : x
  2. Step 2: Convert to fraction form
    96.31/144.40 = 60.27/x
  3. Step 3: Cross multiply
    96.31x = 144.40 × 60.27
  4. Step 4: Simplify right side
    96.31x = 8,702.99
  5. Step 5: Solve for x
    x = 8,702.99/96.31
  6. Step 6: Final answer
    x = 90.36

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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.