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Finding the Fourth Proportional to 248,951.82, 373,593.78 and 129,119.22

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Solution

The fourth proportional to 248,951.82, 373,593.78 and 129,119.22 is: 193,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,951.82 : 373,593.78 = 129,119.22 : x
  2. Step 2: Convert to fraction form
    248,951.82/373,593.78 = 129,119.22/x
  3. Step 3: Cross multiply
    248,951.82x = 373,593.78 × 129,119.22
  4. Step 4: Simplify right side
    248,951.82x = 48,238,137,470.45
  5. Step 5: Solve for x
    x = 48,238,137,470.45/248,951.82
  6. Step 6: Final answer
    x = 193,764.95

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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.