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Finding the Fourth Proportional to 225,997.44, 311,872.32 and 125,393.28

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Solution

The fourth proportional to 225,997.44, 311,872.32 and 125,393.28 is: 173,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,997.44 : 311,872.32 = 125,393.28 : x
  2. Step 2: Convert to fraction form
    225,997.44/311,872.32 = 125,393.28/x
  3. Step 3: Cross multiply
    225,997.44x = 311,872.32 × 125,393.28
  4. Step 4: Simplify right side
    225,997.44x = 39,106,693,146.01
  5. Step 5: Solve for x
    x = 39,106,693,146.01/225,997.44
  6. Step 6: Final answer
    x = 173,040.43

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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.