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Finding the Fourth Proportional to 166,686.74, 250,004.70 and 54,366.80

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Solution

The fourth proportional to 166,686.74, 250,004.70 and 54,366.80 is: 81,541.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,686.74 : 250,004.70 = 54,366.80 : x
  2. Step 2: Convert to fraction form
    166,686.74/250,004.70 = 54,366.80/x
  3. Step 3: Cross multiply
    166,686.74x = 250,004.70 × 54,366.80
  4. Step 4: Simplify right side
    166,686.74x = 13,591,954,273.94
  5. Step 5: Solve for x
    x = 13,591,954,273.94/166,686.74
  6. Step 6: Final answer
    x = 81,541.91

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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.