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Finding the Fourth Proportional to 251,057.51, 376,589.31 and 73,568.12

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Solution

The fourth proportional to 251,057.51, 376,589.31 and 73,568.12 is: 110,353.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,057.51 : 376,589.31 = 73,568.12 : x
  2. Step 2: Convert to fraction form
    251,057.51/376,589.31 = 73,568.12/x
  3. Step 3: Cross multiply
    251,057.51x = 376,589.31 × 73,568.12
  4. Step 4: Simplify right side
    251,057.51x = 27,704,965,665.85
  5. Step 5: Solve for x
    x = 27,704,965,665.85/251,057.51
  6. Step 6: Final answer
    x = 110,353.07

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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.