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Finding the Fourth Proportional to 166,683.65, 250,065.26 and 54,363.98

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Solution

The fourth proportional to 166,683.65, 250,065.26 and 54,363.98 is: 81,558.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,683.65 : 250,065.26 = 54,363.98 : x
  2. Step 2: Convert to fraction form
    166,683.65/250,065.26 = 54,363.98/x
  3. Step 3: Cross multiply
    166,683.65x = 250,065.26 × 54,363.98
  4. Step 4: Simplify right side
    166,683.65x = 13,594,543,350.54
  5. Step 5: Solve for x
    x = 13,594,543,350.54/166,683.65
  6. Step 6: Final answer
    x = 81,558.95

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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.