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Finding the Fourth Proportional to 251,229.33, 376,632.11 and 108,967.45

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Solution

The fourth proportional to 251,229.33, 376,632.11 and 108,967.45 is: 163,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,229.33 : 376,632.11 = 108,967.45 : x
  2. Step 2: Convert to fraction form
    251,229.33/376,632.11 = 108,967.45/x
  3. Step 3: Cross multiply
    251,229.33x = 376,632.11 × 108,967.45
  4. Step 4: Simplify right side
    251,229.33x = 41,040,640,614.82
  5. Step 5: Solve for x
    x = 41,040,640,614.82/251,229.33
  6. Step 6: Final answer
    x = 163,359.28

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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.