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Finding the Fourth Proportional to 168,041.64, 252,167.53 and 68,201.82

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Solution

The fourth proportional to 168,041.64, 252,167.53 and 68,201.82 is: 102,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,041.64 : 252,167.53 = 68,201.82 : x
  2. Step 2: Convert to fraction form
    168,041.64/252,167.53 = 68,201.82/x
  3. Step 3: Cross multiply
    168,041.64x = 252,167.53 × 68,201.82
  4. Step 4: Simplify right side
    168,041.64x = 17,198,284,490.90
  5. Step 5: Solve for x
    x = 17,198,284,490.90/168,041.64
  6. Step 6: Final answer
    x = 102,345.37

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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.