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Finding the Fourth Proportional to 193,217.92, 266,640.72 and 108,334.96

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Solution

The fourth proportional to 193,217.92, 266,640.72 and 108,334.96 is: 149,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,217.92 : 266,640.72 = 108,334.96 : x
  2. Step 2: Convert to fraction form
    193,217.92/266,640.72 = 108,334.96/x
  3. Step 3: Cross multiply
    193,217.92x = 266,640.72 × 108,334.96
  4. Step 4: Simplify right side
    193,217.92x = 28,886,511,735.57
  5. Step 5: Solve for x
    x = 28,886,511,735.57/193,217.92
  6. Step 6: Final answer
    x = 149,502.24

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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.