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Finding the Fourth Proportional to 168,111.60, 252,305.10 and 166,799.40

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Solution

The fourth proportional to 168,111.60, 252,305.10 and 166,799.40 is: 250,335.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,111.60 : 252,305.10 = 166,799.40 : x
  2. Step 2: Convert to fraction form
    168,111.60/252,305.10 = 166,799.40/x
  3. Step 3: Cross multiply
    168,111.60x = 252,305.10 × 166,799.40
  4. Step 4: Simplify right side
    168,111.60x = 42,084,339,296.94
  5. Step 5: Solve for x
    x = 42,084,339,296.94/168,111.60
  6. Step 6: Final answer
    x = 250,335.73

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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.