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Finding the Fourth Proportional to 235.37, 352.97 and 98.35

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Solution

The fourth proportional to 235.37, 352.97 and 98.35 is: 147.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.37 : 352.97 = 98.35 : x
  2. Step 2: Convert to fraction form
    235.37/352.97 = 98.35/x
  3. Step 3: Cross multiply
    235.37x = 352.97 × 98.35
  4. Step 4: Simplify right side
    235.37x = 34,713.59
  5. Step 5: Solve for x
    x = 34,713.59/235.37
  6. Step 6: Final answer
    x = 147.48

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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.