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Finding the Fourth Proportional to 168,266.56, 252,394.32 and 68,397.28

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Solution

The fourth proportional to 168,266.56, 252,394.32 and 68,397.28 is: 102,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,266.56 : 252,394.32 = 68,397.28 : x
  2. Step 2: Convert to fraction form
    168,266.56/252,394.32 = 68,397.28/x
  3. Step 3: Cross multiply
    168,266.56x = 252,394.32 × 68,397.28
  4. Step 4: Simplify right side
    168,266.56x = 17,263,084,975.45
  5. Step 5: Solve for x
    x = 17,263,084,975.45/168,266.56
  6. Step 6: Final answer
    x = 102,593.68

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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.