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Finding the Fourth Proportional to 200,473.62, 300,499.84 and 74,033.27

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Solution

The fourth proportional to 200,473.62, 300,499.84 and 74,033.27 is: 110,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,473.62 : 300,499.84 = 74,033.27 : x
  2. Step 2: Convert to fraction form
    200,473.62/300,499.84 = 74,033.27/x
  3. Step 3: Cross multiply
    200,473.62x = 300,499.84 × 74,033.27
  4. Step 4: Simplify right side
    200,473.62x = 22,246,985,789.68
  5. Step 5: Solve for x
    x = 22,246,985,789.68/200,473.62
  6. Step 6: Final answer
    x = 110,972.14

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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.