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Finding the Fourth Proportional to 62,694.45, 93,932.33 and 52,231.68

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Solution

The fourth proportional to 62,694.45, 93,932.33 and 52,231.68 is: 78,256.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,694.45 : 93,932.33 = 52,231.68 : x
  2. Step 2: Convert to fraction form
    62,694.45/93,932.33 = 52,231.68/x
  3. Step 3: Cross multiply
    62,694.45x = 93,932.33 × 52,231.68
  4. Step 4: Simplify right side
    62,694.45x = 4,906,243,141.06
  5. Step 5: Solve for x
    x = 4,906,243,141.06/62,694.45
  6. Step 6: Final answer
    x = 78,256.42

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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.