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Finding the Fourth Proportional to 168,230.10, 252,482.85 and 166,917.90

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Solution

The fourth proportional to 168,230.10, 252,482.85 and 166,917.90 is: 250,513.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,230.10 : 252,482.85 = 166,917.90 : x
  2. Step 2: Convert to fraction form
    168,230.10/252,482.85 = 166,917.90/x
  3. Step 3: Cross multiply
    168,230.10x = 252,482.85 × 166,917.90
  4. Step 4: Simplify right side
    168,230.10x = 42,143,907,108.02
  5. Step 5: Solve for x
    x = 42,143,907,108.02/168,230.10
  6. Step 6: Final answer
    x = 250,513.48

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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.