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Finding the Fourth Proportional to 166,889.99, 250,350.38 and 54,570.78

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Solution

The fourth proportional to 166,889.99, 250,350.38 and 54,570.78 is: 81,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,889.99 : 250,350.38 = 54,570.78 : x
  2. Step 2: Convert to fraction form
    166,889.99/250,350.38 = 54,570.78/x
  3. Step 3: Cross multiply
    166,889.99x = 250,350.38 × 54,570.78
  4. Step 4: Simplify right side
    166,889.99x = 13,661,815,509.90
  5. Step 5: Solve for x
    x = 13,661,815,509.90/166,889.99
  6. Step 6: Final answer
    x = 81,861.20

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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.