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Finding the Fourth Proportional to 167,793.92, 231,556 and 91,313.04

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Solution

The fourth proportional to 167,793.92, 231,556 and 91,313.04 is: 126,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,793.92 : 231,556 = 91,313.04 : x
  2. Step 2: Convert to fraction form
    167,793.92/231,556 = 91,313.04/x
  3. Step 3: Cross multiply
    167,793.92x = 231,556 × 91,313.04
  4. Step 4: Simplify right side
    167,793.92x = 21,144,082,290.24
  5. Step 5: Solve for x
    x = 21,144,082,290.24/167,793.92
  6. Step 6: Final answer
    x = 126,012.21

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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.