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Finding the Fourth Proportional to 168,076.10, 252,114.15 and 166,909.70

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Solution

The fourth proportional to 168,076.10, 252,114.15 and 166,909.70 is: 250,364.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,076.10 : 252,114.15 = 166,909.70 : x
  2. Step 2: Convert to fraction form
    168,076.10/252,114.15 = 166,909.70/x
  3. Step 3: Cross multiply
    168,076.10x = 252,114.15 × 166,909.70
  4. Step 4: Simplify right side
    168,076.10x = 42,080,297,142.26
  5. Step 5: Solve for x
    x = 42,080,297,142.26/168,076.10
  6. Step 6: Final answer
    x = 250,364.55

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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.