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Finding the Fourth Proportional to 168,112.10, 252,305.85 and 166,799.90

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Solution

The fourth proportional to 168,112.10, 252,305.85 and 166,799.90 is: 250,336.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,112.10 : 252,305.85 = 166,799.90 : x
  2. Step 2: Convert to fraction form
    168,112.10/252,305.85 = 166,799.90/x
  3. Step 3: Cross multiply
    168,112.10x = 252,305.85 × 166,799.90
  4. Step 4: Simplify right side
    168,112.10x = 42,084,590,549.42
  5. Step 5: Solve for x
    x = 42,084,590,549.42/168,112.10
  6. Step 6: Final answer
    x = 250,336.48

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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.