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Finding the Fourth Proportional to 250,795.25, 376,113.85 and 82,276.31

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Solution

The fourth proportional to 250,795.25, 376,113.85 and 82,276.31 is: 123,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,795.25 : 376,113.85 = 82,276.31 : x
  2. Step 2: Convert to fraction form
    250,795.25/376,113.85 = 82,276.31/x
  3. Step 3: Cross multiply
    250,795.25x = 376,113.85 × 82,276.31
  4. Step 4: Simplify right side
    250,795.25x = 30,945,257,425.94
  5. Step 5: Solve for x
    x = 30,945,257,425.94/250,795.25
  6. Step 6: Final answer
    x = 123,388.53

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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.