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Finding the Fourth Proportional to 67,231.84, 100,835.88 and 25,102.48

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Solution

The fourth proportional to 67,231.84, 100,835.88 and 25,102.48 is: 37,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,231.84 : 100,835.88 = 25,102.48 : x
  2. Step 2: Convert to fraction form
    67,231.84/100,835.88 = 25,102.48/x
  3. Step 3: Cross multiply
    67,231.84x = 100,835.88 × 25,102.48
  4. Step 4: Simplify right side
    67,231.84x = 2,531,230,660.98
  5. Step 5: Solve for x
    x = 2,531,230,660.98/67,231.84
  6. Step 6: Final answer
    x = 37,649.28

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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.