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Finding the Fourth Proportional to 164,491.88, 246,721.22 and 111,523.96

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Solution

The fourth proportional to 164,491.88, 246,721.22 and 111,523.96 is: 167,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,491.88 : 246,721.22 = 111,523.96 : x
  2. Step 2: Convert to fraction form
    164,491.88/246,721.22 = 111,523.96/x
  3. Step 3: Cross multiply
    164,491.88x = 246,721.22 × 111,523.96
  4. Step 4: Simplify right side
    164,491.88x = 27,515,327,470.43
  5. Step 5: Solve for x
    x = 27,515,327,470.43/164,491.88
  6. Step 6: Final answer
    x = 167,274.69

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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.