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Finding the Fourth Proportional to 250,754.96, 375,868.20 and 82,231.32

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Solution

The fourth proportional to 250,754.96, 375,868.20 and 82,231.32 is: 123,260.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,754.96 : 375,868.20 = 82,231.32 : x
  2. Step 2: Convert to fraction form
    250,754.96/375,868.20 = 82,231.32/x
  3. Step 3: Cross multiply
    250,754.96x = 375,868.20 × 82,231.32
  4. Step 4: Simplify right side
    250,754.96x = 30,908,138,232.02
  5. Step 5: Solve for x
    x = 30,908,138,232.02/250,754.96
  6. Step 6: Final answer
    x = 123,260.33

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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.