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Finding the Fourth Proportional to 67,194.84, 100,784.43 and 25,076.37

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Solution

The fourth proportional to 67,194.84, 100,784.43 and 25,076.37 is: 37,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,194.84 : 100,784.43 = 25,076.37 : x
  2. Step 2: Convert to fraction form
    67,194.84/100,784.43 = 25,076.37/x
  3. Step 3: Cross multiply
    67,194.84x = 100,784.43 × 25,076.37
  4. Step 4: Simplify right side
    67,194.84x = 2,527,307,656.92
  5. Step 5: Solve for x
    x = 2,527,307,656.92/67,194.84
  6. Step 6: Final answer
    x = 37,611.63

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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.