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Finding the Fourth Proportional to 203,714.14, 281,121.28 and 113,064.79

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Solution

The fourth proportional to 203,714.14, 281,121.28 and 113,064.79 is: 156,027.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,714.14 : 281,121.28 = 113,064.79 : x
  2. Step 2: Convert to fraction form
    203,714.14/281,121.28 = 113,064.79/x
  3. Step 3: Cross multiply
    203,714.14x = 281,121.28 × 113,064.79
  4. Step 4: Simplify right side
    203,714.14x = 31,784,918,487.73
  5. Step 5: Solve for x
    x = 31,784,918,487.73/203,714.14
  6. Step 6: Final answer
    x = 156,027.06

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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.