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Finding the Fourth Proportional to 136,704.44, 205,056.09 and 36,874.73

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Solution

The fourth proportional to 136,704.44, 205,056.09 and 36,874.73 is: 55,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,704.44 : 205,056.09 = 36,874.73 : x
  2. Step 2: Convert to fraction form
    136,704.44/205,056.09 = 36,874.73/x
  3. Step 3: Cross multiply
    136,704.44x = 205,056.09 × 36,874.73
  4. Step 4: Simplify right side
    136,704.44x = 7,561,388,466.25
  5. Step 5: Solve for x
    x = 7,561,388,466.25/136,704.44
  6. Step 6: Final answer
    x = 55,311.94

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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.