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Finding the Fourth Proportional to 167,143.74, 250,781.24 and 73,583.88

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Solution

The fourth proportional to 167,143.74, 250,781.24 and 73,583.88 is: 110,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,143.74 : 250,781.24 = 73,583.88 : x
  2. Step 2: Convert to fraction form
    167,143.74/250,781.24 = 73,583.88/x
  3. Step 3: Cross multiply
    167,143.74x = 250,781.24 × 73,583.88
  4. Step 4: Simplify right side
    167,143.74x = 18,453,456,670.41
  5. Step 5: Solve for x
    x = 18,453,456,670.41/167,143.74
  6. Step 6: Final answer
    x = 110,404.71

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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.