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Finding the Fourth Proportional to 234.93, 352.02 and 149.25

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Solution

The fourth proportional to 234.93, 352.02 and 149.25 is: 223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.93 : 352.02 = 149.25 : x
  2. Step 2: Convert to fraction form
    234.93/352.02 = 149.25/x
  3. Step 3: Cross multiply
    234.93x = 352.02 × 149.25
  4. Step 4: Simplify right side
    234.93x = 52,538.99
  5. Step 5: Solve for x
    x = 52,538.99/234.93
  6. Step 6: Final answer
    x = 223.64

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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.