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Finding the Fourth Proportional to 165,318.92, 227,735.17 and 119,863.34

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Solution

The fourth proportional to 165,318.92, 227,735.17 and 119,863.34 is: 165,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,318.92 : 227,735.17 = 119,863.34 : x
  2. Step 2: Convert to fraction form
    165,318.92/227,735.17 = 119,863.34/x
  3. Step 3: Cross multiply
    165,318.92x = 227,735.17 × 119,863.34
  4. Step 4: Simplify right side
    165,318.92x = 27,297,096,673.33
  5. Step 5: Solve for x
    x = 27,297,096,673.33/165,318.92
  6. Step 6: Final answer
    x = 165,117.81

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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.