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Finding the Fourth Proportional to 250,790.52, 375,921.30 and 82,266.84

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Solution

The fourth proportional to 250,790.52, 375,921.30 and 82,266.84 is: 123,313.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,790.52 : 375,921.30 = 82,266.84 : x
  2. Step 2: Convert to fraction form
    250,790.52/375,921.30 = 82,266.84/x
  3. Step 3: Cross multiply
    250,790.52x = 375,921.30 × 82,266.84
  4. Step 4: Simplify right side
    250,790.52x = 30,925,857,439.69
  5. Step 5: Solve for x
    x = 30,925,857,439.69/250,790.52
  6. Step 6: Final answer
    x = 123,313.50

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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.