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Finding the Fourth Proportional to 203,910.41, 281,441.39 and 113,297.54

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Solution

The fourth proportional to 203,910.41, 281,441.39 and 113,297.54 is: 156,375.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,910.41 : 281,441.39 = 113,297.54 : x
  2. Step 2: Convert to fraction form
    203,910.41/281,441.39 = 113,297.54/x
  3. Step 3: Cross multiply
    203,910.41x = 281,441.39 × 113,297.54
  4. Step 4: Simplify right side
    203,910.41x = 31,886,615,167.49
  5. Step 5: Solve for x
    x = 31,886,615,167.49/203,910.41
  6. Step 6: Final answer
    x = 156,375.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.