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Finding the Fourth Proportional to 167,193.91, 250,876.86 and 111,072.79

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Solution

The fourth proportional to 167,193.91, 250,876.86 and 111,072.79 is: 166,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,193.91 : 250,876.86 = 111,072.79 : x
  2. Step 2: Convert to fraction form
    167,193.91/250,876.86 = 111,072.79/x
  3. Step 3: Cross multiply
    167,193.91x = 250,876.86 × 111,072.79
  4. Step 4: Simplify right side
    167,193.91x = 27,865,592,786.64
  5. Step 5: Solve for x
    x = 27,865,592,786.64/167,193.91
  6. Step 6: Final answer
    x = 166,666.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.