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Finding the Fourth Proportional to 200,527.43, 300,780.07 and 67,393.94

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Solution

The fourth proportional to 200,527.43, 300,780.07 and 67,393.94 is: 101,087.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,527.43 : 300,780.07 = 67,393.94 : x
  2. Step 2: Convert to fraction form
    200,527.43/300,780.07 = 67,393.94/x
  3. Step 3: Cross multiply
    200,527.43x = 300,780.07 × 67,393.94
  4. Step 4: Simplify right side
    200,527.43x = 20,270,752,318.39
  5. Step 5: Solve for x
    x = 20,270,752,318.39/200,527.43
  6. Step 6: Final answer
    x = 101,087.18

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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.