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Finding the Fourth Proportional to 150.81, 225.96 and 96.58

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Solution

The fourth proportional to 150.81, 225.96 and 96.58 is: 144.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150.81 : 225.96 = 96.58 : x
  2. Step 2: Convert to fraction form
    150.81/225.96 = 96.58/x
  3. Step 3: Cross multiply
    150.81x = 225.96 × 96.58
  4. Step 4: Simplify right side
    150.81x = 21,823.22
  5. Step 5: Solve for x
    x = 21,823.22/150.81
  6. Step 6: Final answer
    x = 144.71

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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.