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Finding the Fourth Proportional to 92,662.43, 138,940.97 and 36,472.07

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Solution

The fourth proportional to 92,662.43, 138,940.97 and 36,472.07 is: 54,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,662.43 : 138,940.97 = 36,472.07 : x
  2. Step 2: Convert to fraction form
    92,662.43/138,940.97 = 36,472.07/x
  3. Step 3: Cross multiply
    92,662.43x = 138,940.97 × 36,472.07
  4. Step 4: Simplify right side
    92,662.43x = 5,067,464,783.71
  5. Step 5: Solve for x
    x = 5,067,464,783.71/92,662.43
  6. Step 6: Final answer
    x = 54,687.37

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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.