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Finding the Fourth Proportional to 250,224.92, 375,169.98 and 137,958.92

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Solution

The fourth proportional to 250,224.92, 375,169.98 and 137,958.92 is: 206,846.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,224.92 : 375,169.98 = 137,958.92 : x
  2. Step 2: Convert to fraction form
    250,224.92/375,169.98 = 137,958.92/x
  3. Step 3: Cross multiply
    250,224.92x = 375,169.98 × 137,958.92
  4. Step 4: Simplify right side
    250,224.92x = 51,758,045,257.22
  5. Step 5: Solve for x
    x = 51,758,045,257.22/250,224.92
  6. Step 6: Final answer
    x = 206,846.09

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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.