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Finding the Fourth Proportional to 192,394.53, 288,218.13 and 92,624.80

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Solution

The fourth proportional to 192,394.53, 288,218.13 and 92,624.80 is: 138,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,394.53 : 288,218.13 = 92,624.80 : x
  2. Step 2: Convert to fraction form
    192,394.53/288,218.13 = 92,624.80/x
  3. Step 3: Cross multiply
    192,394.53x = 288,218.13 × 92,624.80
  4. Step 4: Simplify right side
    192,394.53x = 26,696,146,647.62
  5. Step 5: Solve for x
    x = 26,696,146,647.62/192,394.53
  6. Step 6: Final answer
    x = 138,757.31

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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.