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Finding the Fourth Proportional to 250,694.12, 376,042.46 and 84,483.56

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Solution

The fourth proportional to 250,694.12, 376,042.46 and 84,483.56 is: 126,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,694.12 : 376,042.46 = 84,483.56 : x
  2. Step 2: Convert to fraction form
    250,694.12/376,042.46 = 84,483.56/x
  3. Step 3: Cross multiply
    250,694.12x = 376,042.46 × 84,483.56
  4. Step 4: Simplify right side
    250,694.12x = 31,769,405,731.96
  5. Step 5: Solve for x
    x = 31,769,405,731.96/250,694.12
  6. Step 6: Final answer
    x = 126,725.77

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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.