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Finding the Fourth Proportional to 231,773.01, 319,879.17 and 167,450.43

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Solution

The fourth proportional to 231,773.01, 319,879.17 and 167,450.43 is: 231,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,773.01 : 319,879.17 = 167,450.43 : x
  2. Step 2: Convert to fraction form
    231,773.01/319,879.17 = 167,450.43/x
  3. Step 3: Cross multiply
    231,773.01x = 319,879.17 × 167,450.43
  4. Step 4: Simplify right side
    231,773.01x = 53,563,904,564.54
  5. Step 5: Solve for x
    x = 53,563,904,564.54/231,773.01
  6. Step 6: Final answer
    x = 231,105.01

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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.