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Finding the Fourth Proportional to 200,474.62, 300,501.34 and 74,034.27

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Solution

The fourth proportional to 200,474.62, 300,501.34 and 74,034.27 is: 110,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,474.62 : 300,501.34 = 74,034.27 : x
  2. Step 2: Convert to fraction form
    200,474.62/300,501.34 = 74,034.27/x
  3. Step 3: Cross multiply
    200,474.62x = 300,501.34 × 74,034.27
  4. Step 4: Simplify right side
    200,474.62x = 22,247,397,340.92
  5. Step 5: Solve for x
    x = 22,247,397,340.92/200,474.62
  6. Step 6: Final answer
    x = 110,973.64

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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.