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Finding the Fourth Proportional to 234.71, 324.06 and 165.00

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Solution

The fourth proportional to 234.71, 324.06 and 165.00 is: 227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.71 : 324.06 = 165.00 : x
  2. Step 2: Convert to fraction form
    234.71/324.06 = 165.00/x
  3. Step 3: Cross multiply
    234.71x = 324.06 × 165.00
  4. Step 4: Simplify right side
    234.71x = 53,470.50
  5. Step 5: Solve for x
    x = 53,470.50/234.71
  6. Step 6: Final answer
    x = 227.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.