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Finding the Fourth Proportional to 200,067.40, 300,101.10 and 168,574.60

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Solution

The fourth proportional to 200,067.40, 300,101.10 and 168,574.60 is: 252,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,067.40 : 300,101.10 = 168,574.60 : x
  2. Step 2: Convert to fraction form
    200,067.40/300,101.10 = 168,574.60/x
  3. Step 3: Cross multiply
    200,067.40x = 300,101.10 × 168,574.60
  4. Step 4: Simplify right side
    200,067.40x = 50,589,422,892.06
  5. Step 5: Solve for x
    x = 50,589,422,892.06/200,067.40
  6. Step 6: Final answer
    x = 252,861.90

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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.