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Finding the Fourth Proportional to 166,889.16, 250,349.14 and 54,569.96

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Solution

The fourth proportional to 166,889.16, 250,349.14 and 54,569.96 is: 81,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,889.16 : 250,349.14 = 54,569.96 : x
  2. Step 2: Convert to fraction form
    166,889.16/250,349.14 = 54,569.96/x
  3. Step 3: Cross multiply
    166,889.16x = 250,349.14 × 54,569.96
  4. Step 4: Simplify right side
    166,889.16x = 13,661,541,031.24
  5. Step 5: Solve for x
    x = 13,661,541,031.24/166,889.16
  6. Step 6: Final answer
    x = 81,859.97

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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.