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Finding the Fourth Proportional to 250,976.67, 376,323.53 and 82,451.74

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Solution

The fourth proportional to 250,976.67, 376,323.53 and 82,451.74 is: 123,631.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,976.67 : 376,323.53 = 82,451.74 : x
  2. Step 2: Convert to fraction form
    250,976.67/376,323.53 = 82,451.74/x
  3. Step 3: Cross multiply
    250,976.67x = 376,323.53 × 82,451.74
  4. Step 4: Simplify right side
    250,976.67x = 31,028,530,651.12
  5. Step 5: Solve for x
    x = 31,028,530,651.12/250,976.67
  6. Step 6: Final answer
    x = 123,631.14

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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.