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Finding the Fourth Proportional to 166,651.81, 250,003.79 and 54,305.95

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Solution

The fourth proportional to 166,651.81, 250,003.79 and 54,305.95 is: 81,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,651.81 : 250,003.79 = 54,305.95 : x
  2. Step 2: Convert to fraction form
    166,651.81/250,003.79 = 54,305.95/x
  3. Step 3: Cross multiply
    166,651.81x = 250,003.79 × 54,305.95
  4. Step 4: Simplify right side
    166,651.81x = 13,576,693,876.68
  5. Step 5: Solve for x
    x = 13,576,693,876.68/166,651.81
  6. Step 6: Final answer
    x = 81,467.42

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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.