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Finding the Fourth Proportional to 96.42, 144.54 and 32.25

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Solution

The fourth proportional to 96.42, 144.54 and 32.25 is: 48.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.42 : 144.54 = 32.25 : x
  2. Step 2: Convert to fraction form
    96.42/144.54 = 32.25/x
  3. Step 3: Cross multiply
    96.42x = 144.54 × 32.25
  4. Step 4: Simplify right side
    96.42x = 4,661.42
  5. Step 5: Solve for x
    x = 4,661.42/96.42
  6. Step 6: Final answer
    x = 48.34

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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.