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Finding the Fourth Proportional to 362,121.18, 543,202.52 and 95,874.77

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Solution

The fourth proportional to 362,121.18, 543,202.52 and 95,874.77 is: 143,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,121.18 : 543,202.52 = 95,874.77 : x
  2. Step 2: Convert to fraction form
    362,121.18/543,202.52 = 95,874.77/x
  3. Step 3: Cross multiply
    362,121.18x = 543,202.52 × 95,874.77
  4. Step 4: Simplify right side
    362,121.18x = 52,079,415,310.41
  5. Step 5: Solve for x
    x = 52,079,415,310.41/362,121.18
  6. Step 6: Final answer
    x = 143,817.64

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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.