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Finding the Fourth Proportional to 234.98, 352.59 and 98.03

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Solution

The fourth proportional to 234.98, 352.59 and 98.03 is: 147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.98 : 352.59 = 98.03 : x
  2. Step 2: Convert to fraction form
    234.98/352.59 = 98.03/x
  3. Step 3: Cross multiply
    234.98x = 352.59 × 98.03
  4. Step 4: Simplify right side
    234.98x = 34,562.14
  5. Step 5: Solve for x
    x = 34,562.14/234.98
  6. Step 6: Final answer
    x = 147.09

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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.