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Finding the Fourth Proportional to 362,552.67, 543,829.21 and 137,861.24

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Solution

The fourth proportional to 362,552.67, 543,829.21 and 137,861.24 is: 206,791.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,552.67 : 543,829.21 = 137,861.24 : x
  2. Step 2: Convert to fraction form
    362,552.67/543,829.21 = 137,861.24/x
  3. Step 3: Cross multiply
    362,552.67x = 543,829.21 × 137,861.24
  4. Step 4: Simplify right side
    362,552.67x = 74,972,966,175.02
  5. Step 5: Solve for x
    x = 74,972,966,175.02/362,552.67
  6. Step 6: Final answer
    x = 206,791.93

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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.