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Finding the Fourth Proportional to 166,997.96, 250,443.48 and 54,647.72

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Solution

The fourth proportional to 166,997.96, 250,443.48 and 54,647.72 is: 81,954.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,997.96 : 250,443.48 = 54,647.72 : x
  2. Step 2: Convert to fraction form
    166,997.96/250,443.48 = 54,647.72/x
  3. Step 3: Cross multiply
    166,997.96x = 250,443.48 × 54,647.72
  4. Step 4: Simplify right side
    166,997.96x = 13,686,165,170.87
  5. Step 5: Solve for x
    x = 13,686,165,170.87/166,997.96
  6. Step 6: Final answer
    x = 81,954.09

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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.