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Finding the Fourth Proportional to 159,540.66, 239,311.77 and 41,203.80

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Solution

The fourth proportional to 159,540.66, 239,311.77 and 41,203.80 is: 61,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,540.66 : 239,311.77 = 41,203.80 : x
  2. Step 2: Convert to fraction form
    159,540.66/239,311.77 = 41,203.80/x
  3. Step 3: Cross multiply
    159,540.66x = 239,311.77 × 41,203.80
  4. Step 4: Simplify right side
    159,540.66x = 9,860,554,308.73
  5. Step 5: Solve for x
    x = 9,860,554,308.73/159,540.66
  6. Step 6: Final answer
    x = 61,805.90

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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.