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Finding the Fourth Proportional to 192,226.87, 288,401.99 and 92,394.30

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Solution

The fourth proportional to 192,226.87, 288,401.99 and 92,394.30 is: 138,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,226.87 : 288,401.99 = 92,394.30 : x
  2. Step 2: Convert to fraction form
    192,226.87/288,401.99 = 92,394.30/x
  3. Step 3: Cross multiply
    192,226.87x = 288,401.99 × 92,394.30
  4. Step 4: Simplify right side
    192,226.87x = 26,646,699,984.66
  5. Step 5: Solve for x
    x = 26,646,699,984.66/192,226.87
  6. Step 6: Final answer
    x = 138,621.10

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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.