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Finding the Fourth Proportional to 166,847.70, 250,298.82 and 54,495.30

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Solution

The fourth proportional to 166,847.70, 250,298.82 and 54,495.30 is: 81,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,847.70 : 250,298.82 = 54,495.30 : x
  2. Step 2: Convert to fraction form
    166,847.70/250,298.82 = 54,495.30/x
  3. Step 3: Cross multiply
    166,847.70x = 250,298.82 × 54,495.30
  4. Step 4: Simplify right side
    166,847.70x = 13,640,109,285.55
  5. Step 5: Solve for x
    x = 13,640,109,285.55/166,847.70
  6. Step 6: Final answer
    x = 81,751.86

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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.