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Finding the Fourth Proportional to 293,951.01, 405,640.91 and 166,623.87

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Solution

The fourth proportional to 293,951.01, 405,640.91 and 166,623.87 is: 229,934.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,951.01 : 405,640.91 = 166,623.87 : x
  2. Step 2: Convert to fraction form
    293,951.01/405,640.91 = 166,623.87/x
  3. Step 3: Cross multiply
    293,951.01x = 405,640.91 × 166,623.87
  4. Step 4: Simplify right side
    293,951.01x = 67,589,457,421.40
  5. Step 5: Solve for x
    x = 67,589,457,421.40/293,951.01
  6. Step 6: Final answer
    x = 229,934.43

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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.