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Finding the Fourth Proportional to 362,121, 543,202.26 and 95,874.60

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Solution

The fourth proportional to 362,121, 543,202.26 and 95,874.60 is: 143,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,121 : 543,202.26 = 95,874.60 : x
  2. Step 2: Convert to fraction form
    362,121/543,202.26 = 95,874.60/x
  3. Step 3: Cross multiply
    362,121x = 543,202.26 × 95,874.60
  4. Step 4: Simplify right side
    362,121x = 52,079,299,396.60
  5. Step 5: Solve for x
    x = 52,079,299,396.60/362,121
  6. Step 6: Final answer
    x = 143,817.40

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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.