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Finding the Fourth Proportional to 235.32, 352.23 and 125.48

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Solution

The fourth proportional to 235.32, 352.23 and 125.48 is: 187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.32 : 352.23 = 125.48 : x
  2. Step 2: Convert to fraction form
    235.32/352.23 = 125.48/x
  3. Step 3: Cross multiply
    235.32x = 352.23 × 125.48
  4. Step 4: Simplify right side
    235.32x = 44,197.82
  5. Step 5: Solve for x
    x = 44,197.82/235.32
  6. Step 6: Final answer
    x = 187.82

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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.