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Finding the Fourth Proportional to 96.34, 144.54 and 50.69

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Solution

The fourth proportional to 96.34, 144.54 and 50.69 is: 76.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.34 : 144.54 = 50.69 : x
  2. Step 2: Convert to fraction form
    96.34/144.54 = 50.69/x
  3. Step 3: Cross multiply
    96.34x = 144.54 × 50.69
  4. Step 4: Simplify right side
    96.34x = 7,326.01
  5. Step 5: Solve for x
    x = 7,326.01/96.34
  6. Step 6: Final answer
    x = 76.04

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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.