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Finding the Fourth Proportional to 167,783.49, 231,489.09 and 95,174.42

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Solution

The fourth proportional to 167,783.49, 231,489.09 and 95,174.42 is: 131,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,783.49 : 231,489.09 = 95,174.42 : x
  2. Step 2: Convert to fraction form
    167,783.49/231,489.09 = 95,174.42/x
  3. Step 3: Cross multiply
    167,783.49x = 231,489.09 × 95,174.42
  4. Step 4: Simplify right side
    167,783.49x = 22,031,838,719.63
  5. Step 5: Solve for x
    x = 22,031,838,719.63/167,783.49
  6. Step 6: Final answer
    x = 131,311.12

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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.