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Finding the Fourth Proportional to 362,206.21, 543,186.27 and 125,493.64

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Solution

The fourth proportional to 362,206.21, 543,186.27 and 125,493.64 is: 188,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,206.21 : 543,186.27 = 125,493.64 : x
  2. Step 2: Convert to fraction form
    362,206.21/543,186.27 = 125,493.64/x
  3. Step 3: Cross multiply
    362,206.21x = 543,186.27 × 125,493.64
  4. Step 4: Simplify right side
    362,206.21x = 68,166,422,220.32
  5. Step 5: Solve for x
    x = 68,166,422,220.32/362,206.21
  6. Step 6: Final answer
    x = 188,197.83

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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.