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Finding the Fourth Proportional to 67,171.88, 100,754.54 and 25,048.68

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Solution

The fourth proportional to 67,171.88, 100,754.54 and 25,048.68 is: 37,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,171.88 : 100,754.54 = 25,048.68 : x
  2. Step 2: Convert to fraction form
    67,171.88/100,754.54 = 25,048.68/x
  3. Step 3: Cross multiply
    67,171.88x = 100,754.54 × 25,048.68
  4. Step 4: Simplify right side
    67,171.88x = 2,523,768,105.76
  5. Step 5: Solve for x
    x = 2,523,768,105.76/67,171.88
  6. Step 6: Final answer
    x = 37,571.80

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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.