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Finding the Fourth Proportional to 96.13, 144.21 and 32

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Solution

The fourth proportional to 96.13, 144.21 and 32 is: 48.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.13 : 144.21 = 32 : x
  2. Step 2: Convert to fraction form
    96.13/144.21 = 32/x
  3. Step 3: Cross multiply
    96.13x = 144.21 × 32
  4. Step 4: Simplify right side
    96.13x = 4,614.72
  5. Step 5: Solve for x
    x = 4,614.72/96.13
  6. Step 6: Final answer
    x = 48.01

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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.