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Finding the Fourth Proportional to 96.50, 144.77 and 48.41

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Solution

The fourth proportional to 96.50, 144.77 and 48.41 is: 72.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.50 : 144.77 = 48.41 : x
  2. Step 2: Convert to fraction form
    96.50/144.77 = 48.41/x
  3. Step 3: Cross multiply
    96.50x = 144.77 × 48.41
  4. Step 4: Simplify right side
    96.50x = 7,007.59
  5. Step 5: Solve for x
    x = 7,007.59/96.50
  6. Step 6: Final answer
    x = 72.62

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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.