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Finding the Fourth Proportional to 166,092.40, 248,879.40 and 143,801.20

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Solution

The fourth proportional to 166,092.40, 248,879.40 and 143,801.20 is: 215,477.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,092.40 : 248,879.40 = 143,801.20 : x
  2. Step 2: Convert to fraction form
    166,092.40/248,879.40 = 143,801.20/x
  3. Step 3: Cross multiply
    166,092.40x = 248,879.40 × 143,801.20
  4. Step 4: Simplify right side
    166,092.40x = 35,789,156,375.28
  5. Step 5: Solve for x
    x = 35,789,156,375.28/166,092.40
  6. Step 6: Final answer
    x = 215,477.39

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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.