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Finding the Fourth Proportional to 200,234.12, 300,361.16 and 59,979.38

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Solution

The fourth proportional to 200,234.12, 300,361.16 and 59,979.38 is: 89,972.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,234.12 : 300,361.16 = 59,979.38 : x
  2. Step 2: Convert to fraction form
    200,234.12/300,361.16 = 59,979.38/x
  3. Step 3: Cross multiply
    200,234.12x = 300,361.16 × 59,979.38
  4. Step 4: Simplify right side
    200,234.12x = 18,015,476,152.88
  5. Step 5: Solve for x
    x = 18,015,476,152.88/200,234.12
  6. Step 6: Final answer
    x = 89,972.06

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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.