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Finding the Fourth Proportional to 96,446.78, 133,065.80 and 62,481.30

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Solution

The fourth proportional to 96,446.78, 133,065.80 and 62,481.30 is: 86,204.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,446.78 : 133,065.80 = 62,481.30 : x
  2. Step 2: Convert to fraction form
    96,446.78/133,065.80 = 62,481.30/x
  3. Step 3: Cross multiply
    96,446.78x = 133,065.80 × 62,481.30
  4. Step 4: Simplify right side
    96,446.78x = 8,314,124,169.54
  5. Step 5: Solve for x
    x = 8,314,124,169.54/96,446.78
  6. Step 6: Final answer
    x = 86,204.27

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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.