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Finding the Fourth Proportional to 168,116.10, 252,311.85 and 166,803.90

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Solution

The fourth proportional to 168,116.10, 252,311.85 and 166,803.90 is: 250,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,116.10 : 252,311.85 = 166,803.90 : x
  2. Step 2: Convert to fraction form
    168,116.10/252,311.85 = 166,803.90/x
  3. Step 3: Cross multiply
    168,116.10x = 252,311.85 × 166,803.90
  4. Step 4: Simplify right side
    168,116.10x = 42,086,600,596.22
  5. Step 5: Solve for x
    x = 42,086,600,596.22/168,116.10
  6. Step 6: Final answer
    x = 250,342.48

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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.