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Finding the Fourth Proportional to 167,622.52, 251,591.74 and 61,109.46

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Solution

The fourth proportional to 167,622.52, 251,591.74 and 61,109.46 is: 91,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,622.52 : 251,591.74 = 61,109.46 : x
  2. Step 2: Convert to fraction form
    167,622.52/251,591.74 = 61,109.46/x
  3. Step 3: Cross multiply
    167,622.52x = 251,591.74 × 61,109.46
  4. Step 4: Simplify right side
    167,622.52x = 15,374,635,371.86
  5. Step 5: Solve for x
    x = 15,374,635,371.86/167,622.52
  6. Step 6: Final answer
    x = 91,721.78

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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.