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Finding the Fourth Proportional to 293,954.67, 405,649.62 and 166,629.96

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Solution

The fourth proportional to 293,954.67, 405,649.62 and 166,629.96 is: 229,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,954.67 : 405,649.62 = 166,629.96 : x
  2. Step 2: Convert to fraction form
    293,954.67/405,649.62 = 166,629.96/x
  3. Step 3: Cross multiply
    293,954.67x = 405,649.62 × 166,629.96
  4. Step 4: Simplify right side
    293,954.67x = 67,593,379,954.62
  5. Step 5: Solve for x
    x = 67,593,379,954.62/293,954.67
  6. Step 6: Final answer
    x = 229,944.91

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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.