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Finding the Fourth Proportional to 166,887.91, 250,347.26 and 54,568.70

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Solution

The fourth proportional to 166,887.91, 250,347.26 and 54,568.70 is: 81,858.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,887.91 : 250,347.26 = 54,568.70 : x
  2. Step 2: Convert to fraction form
    166,887.91/250,347.26 = 54,568.70/x
  3. Step 3: Cross multiply
    166,887.91x = 250,347.26 × 54,568.70
  4. Step 4: Simplify right side
    166,887.91x = 13,661,125,451.50
  5. Step 5: Solve for x
    x = 13,661,125,451.50/166,887.91
  6. Step 6: Final answer
    x = 81,858.09

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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.