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Finding the Fourth Proportional to 168,057.70, 252,086.55 and 43,398.70

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Solution

The fourth proportional to 168,057.70, 252,086.55 and 43,398.70 is: 65,098.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,057.70 : 252,086.55 = 43,398.70 : x
  2. Step 2: Convert to fraction form
    168,057.70/252,086.55 = 43,398.70/x
  3. Step 3: Cross multiply
    168,057.70x = 252,086.55 × 43,398.70
  4. Step 4: Simplify right side
    168,057.70x = 10,940,228,557.49
  5. Step 5: Solve for x
    x = 10,940,228,557.49/168,057.70
  6. Step 6: Final answer
    x = 65,098.05

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1.5x scale

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.