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Finding the Fourth Proportional to 200,190.49, 300,198.25 and 59,916.31

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Solution

The fourth proportional to 200,190.49, 300,198.25 and 59,916.31 is: 89,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,190.49 : 300,198.25 = 59,916.31 : x
  2. Step 2: Convert to fraction form
    200,190.49/300,198.25 = 59,916.31/x
  3. Step 3: Cross multiply
    200,190.49x = 300,198.25 × 59,916.31
  4. Step 4: Simplify right side
    200,190.49x = 17,986,770,732.86
  5. Step 5: Solve for x
    x = 17,986,770,732.86/200,190.49
  6. Step 6: Final answer
    x = 89,848.28

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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.