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Finding the Fourth Proportional to 96.26, 144.40 and 52.96

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Solution

The fourth proportional to 96.26, 144.40 and 52.96 is: 79.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.26 : 144.40 = 52.96 : x
  2. Step 2: Convert to fraction form
    96.26/144.40 = 52.96/x
  3. Step 3: Cross multiply
    96.26x = 144.40 × 52.96
  4. Step 4: Simplify right side
    96.26x = 7,647.42
  5. Step 5: Solve for x
    x = 7,647.42/96.26
  6. Step 6: Final answer
    x = 79.45

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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.