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Finding the Fourth Proportional to 225,944.44, 311,803.32 and 125,342.44

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Solution

The fourth proportional to 225,944.44, 311,803.32 and 125,342.44 is: 172,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,944.44 : 311,803.32 = 125,342.44 : x
  2. Step 2: Convert to fraction form
    225,944.44/311,803.32 = 125,342.44/x
  3. Step 3: Cross multiply
    225,944.44x = 311,803.32 × 125,342.44
  4. Step 4: Simplify right side
    225,944.44x = 39,082,188,619.43
  5. Step 5: Solve for x
    x = 39,082,188,619.43/225,944.44
  6. Step 6: Final answer
    x = 172,972.56

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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.