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Finding the Fourth Proportional to 192,228.49, 288,404.43 and 92,395.95

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Solution

The fourth proportional to 192,228.49, 288,404.43 and 92,395.95 is: 138,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,228.49 : 288,404.43 = 92,395.95 : x
  2. Step 2: Convert to fraction form
    192,228.49/288,404.43 = 92,395.95/x
  3. Step 3: Cross multiply
    192,228.49x = 288,404.43 × 92,395.95
  4. Step 4: Simplify right side
    192,228.49x = 26,647,401,294.06
  5. Step 5: Solve for x
    x = 26,647,401,294.06/192,228.49
  6. Step 6: Final answer
    x = 138,623.58

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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.