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Finding the Fourth Proportional to 133,919.44, 200,944.44 and 55,057.36

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Solution

The fourth proportional to 133,919.44, 200,944.44 and 55,057.36 is: 82,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,919.44 : 200,944.44 = 55,057.36 : x
  2. Step 2: Convert to fraction form
    133,919.44/200,944.44 = 55,057.36/x
  3. Step 3: Cross multiply
    133,919.44x = 200,944.44 × 55,057.36
  4. Step 4: Simplify right side
    133,919.44x = 11,063,470,373.08
  5. Step 5: Solve for x
    x = 11,063,470,373.08/133,919.44
  6. Step 6: Final answer
    x = 82,612.88

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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.