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Finding the Fourth Proportional to 96.30, 144.43 and 32.17

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Solution

The fourth proportional to 96.30, 144.43 and 32.17 is: 48.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.30 : 144.43 = 32.17 : x
  2. Step 2: Convert to fraction form
    96.30/144.43 = 32.17/x
  3. Step 3: Cross multiply
    96.30x = 144.43 × 32.17
  4. Step 4: Simplify right side
    96.30x = 4,646.31
  5. Step 5: Solve for x
    x = 4,646.31/96.30
  6. Step 6: Final answer
    x = 48.25

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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.