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Finding the Fourth Proportional to 168,388.79, 232,359.99 and 92,932.43

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Solution

The fourth proportional to 168,388.79, 232,359.99 and 92,932.43 is: 128,237.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,388.79 : 232,359.99 = 92,932.43 : x
  2. Step 2: Convert to fraction form
    168,388.79/232,359.99 = 92,932.43/x
  3. Step 3: Cross multiply
    168,388.79x = 232,359.99 × 92,932.43
  4. Step 4: Simplify right side
    168,388.79x = 21,593,778,505.48
  5. Step 5: Solve for x
    x = 21,593,778,505.48/168,388.79
  6. Step 6: Final answer
    x = 128,237.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.