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Finding the Fourth Proportional to 168,229.44, 252,411.48 and 68,397.30

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Solution

The fourth proportional to 168,229.44, 252,411.48 and 68,397.30 is: 102,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,229.44 : 252,411.48 = 68,397.30 : x
  2. Step 2: Convert to fraction form
    168,229.44/252,411.48 = 68,397.30/x
  3. Step 3: Cross multiply
    168,229.44x = 252,411.48 × 68,397.30
  4. Step 4: Simplify right side
    168,229.44x = 17,264,263,721.00
  5. Step 5: Solve for x
    x = 17,264,263,721.00/168,229.44
  6. Step 6: Final answer
    x = 102,623.32

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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.