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Finding the Fourth Proportional to 67,228.84, 100,843.84 and 19,197.33

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Solution

The fourth proportional to 67,228.84, 100,843.84 and 19,197.33 is: 28,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,228.84 : 100,843.84 = 19,197.33 : x
  2. Step 2: Convert to fraction form
    67,228.84/100,843.84 = 19,197.33/x
  3. Step 3: Cross multiply
    67,228.84x = 100,843.84 × 19,197.33
  4. Step 4: Simplify right side
    67,228.84x = 1,935,932,018.72
  5. Step 5: Solve for x
    x = 1,935,932,018.72/67,228.84
  6. Step 6: Final answer
    x = 28,796.15

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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.