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Finding the Fourth Proportional to 150,788.21, 225,837.80 and 71,957.80

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Solution

The fourth proportional to 150,788.21, 225,837.80 and 71,957.80 is: 107,772.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,788.21 : 225,837.80 = 71,957.80 : x
  2. Step 2: Convert to fraction form
    150,788.21/225,837.80 = 71,957.80/x
  3. Step 3: Cross multiply
    150,788.21x = 225,837.80 × 71,957.80
  4. Step 4: Simplify right side
    150,788.21x = 16,250,789,755.86
  5. Step 5: Solve for x
    x = 16,250,789,755.86/150,788.21
  6. Step 6: Final answer
    x = 107,772.28

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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.