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Finding the Fourth Proportional to 250,787.43, 375,891.30 and 115,568.82

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Solution

The fourth proportional to 250,787.43, 375,891.30 and 115,568.82 is: 173,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,787.43 : 375,891.30 = 115,568.82 : x
  2. Step 2: Convert to fraction form
    250,787.43/375,891.30 = 115,568.82/x
  3. Step 3: Cross multiply
    250,787.43x = 375,891.30 × 115,568.82
  4. Step 4: Simplify right side
    250,787.43x = 43,441,313,989.27
  5. Step 5: Solve for x
    x = 43,441,313,989.27/250,787.43
  6. Step 6: Final answer
    x = 173,219.66

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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.