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Finding the Fourth Proportional to 235.14, 352.55 and 113.33

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Solution

The fourth proportional to 235.14, 352.55 and 113.33 is: 169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.14 : 352.55 = 113.33 : x
  2. Step 2: Convert to fraction form
    235.14/352.55 = 113.33/x
  3. Step 3: Cross multiply
    235.14x = 352.55 × 113.33
  4. Step 4: Simplify right side
    235.14x = 39,955.66
  5. Step 5: Solve for x
    x = 39,955.66/235.14
  6. Step 6: Final answer
    x = 169.93

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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.