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Finding the Fourth Proportional to 168,296.67, 252,479.43 and 68,456.07

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Solution

The fourth proportional to 168,296.67, 252,479.43 and 68,456.07 is: 102,698.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,296.67 : 252,479.43 = 68,456.07 : x
  2. Step 2: Convert to fraction form
    168,296.67/252,479.43 = 68,456.07/x
  3. Step 3: Cross multiply
    168,296.67x = 252,479.43 × 68,456.07
  4. Step 4: Simplify right side
    168,296.67x = 17,283,749,533.64
  5. Step 5: Solve for x
    x = 17,283,749,533.64/168,296.67
  6. Step 6: Final answer
    x = 102,698.11

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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.