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Finding the Fourth Proportional to 168,041.58, 252,167.47 and 68,201.77

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Solution

The fourth proportional to 168,041.58, 252,167.47 and 68,201.77 is: 102,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,041.58 : 252,167.47 = 68,201.77 : x
  2. Step 2: Convert to fraction form
    168,041.58/252,167.47 = 68,201.77/x
  3. Step 3: Cross multiply
    168,041.58x = 252,167.47 × 68,201.77
  4. Step 4: Simplify right side
    168,041.58x = 17,198,267,790.42
  5. Step 5: Solve for x
    x = 17,198,267,790.42/168,041.58
  6. Step 6: Final answer
    x = 102,345.31

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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.