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Finding the Fourth Proportional to 168,940.32, 253,446.60 and 62,324.64

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Solution

The fourth proportional to 168,940.32, 253,446.60 and 62,324.64 is: 93,500.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,940.32 : 253,446.60 = 62,324.64 : x
  2. Step 2: Convert to fraction form
    168,940.32/253,446.60 = 62,324.64/x
  3. Step 3: Cross multiply
    168,940.32x = 253,446.60 × 62,324.64
  4. Step 4: Simplify right side
    168,940.32x = 15,795,968,104.22
  5. Step 5: Solve for x
    x = 15,795,968,104.22/168,940.32
  6. Step 6: Final answer
    x = 93,500.29

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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.