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Finding the Fourth Proportional to 232.05, 347.72 and 146.37

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Solution

The fourth proportional to 232.05, 347.72 and 146.37 is: 219.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.05 : 347.72 = 146.37 : x
  2. Step 2: Convert to fraction form
    232.05/347.72 = 146.37/x
  3. Step 3: Cross multiply
    232.05x = 347.72 × 146.37
  4. Step 4: Simplify right side
    232.05x = 50,895.04
  5. Step 5: Solve for x
    x = 50,895.04/232.05
  6. Step 6: Final answer
    x = 219.33

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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.