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Finding the Fourth Proportional to 168,324.67, 252,521.43 and 68,484.07

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Solution

The fourth proportional to 168,324.67, 252,521.43 and 68,484.07 is: 102,740.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,324.67 : 252,521.43 = 68,484.07 : x
  2. Step 2: Convert to fraction form
    168,324.67/252,521.43 = 68,484.07/x
  3. Step 3: Cross multiply
    168,324.67x = 252,521.43 × 68,484.07
  4. Step 4: Simplify right side
    168,324.67x = 17,293,695,288.62
  5. Step 5: Solve for x
    x = 17,293,695,288.62/168,324.67
  6. Step 6: Final answer
    x = 102,740.11

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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.