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Finding the Fourth Proportional to 148,251.58, 222,331.34 and 53,469.44

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Solution

The fourth proportional to 148,251.58, 222,331.34 and 53,469.44 is: 80,187.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,251.58 : 222,331.34 = 53,469.44 : x
  2. Step 2: Convert to fraction form
    148,251.58/222,331.34 = 53,469.44/x
  3. Step 3: Cross multiply
    148,251.58x = 222,331.34 × 53,469.44
  4. Step 4: Simplify right side
    148,251.58x = 11,887,932,800.51
  5. Step 5: Solve for x
    x = 11,887,932,800.51/148,251.58
  6. Step 6: Final answer
    x = 80,187.56

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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.