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Finding the Fourth Proportional to 362,163.86, 543,339.94 and 137,525.54

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Solution

The fourth proportional to 362,163.86, 543,339.94 and 137,525.54 is: 206,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,163.86 : 543,339.94 = 137,525.54 : x
  2. Step 2: Convert to fraction form
    362,163.86/543,339.94 = 137,525.54/x
  3. Step 3: Cross multiply
    362,163.86x = 543,339.94 × 137,525.54
  4. Step 4: Simplify right side
    362,163.86x = 74,723,118,652.07
  5. Step 5: Solve for x
    x = 74,723,118,652.07/362,163.86
  6. Step 6: Final answer
    x = 206,324.06

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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.