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Finding the Fourth Proportional to 96.07, 144.09 and 34.36

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Solution

The fourth proportional to 96.07, 144.09 and 34.36 is: 51.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.07 : 144.09 = 34.36 : x
  2. Step 2: Convert to fraction form
    96.07/144.09 = 34.36/x
  3. Step 3: Cross multiply
    96.07x = 144.09 × 34.36
  4. Step 4: Simplify right side
    96.07x = 4,950.93
  5. Step 5: Solve for x
    x = 4,950.93/96.07
  6. Step 6: Final answer
    x = 51.53

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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.