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Finding the Fourth Proportional to 362,499.77, 543,755.14 and 125,849.97

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Solution

The fourth proportional to 362,499.77, 543,755.14 and 125,849.97 is: 188,776.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,499.77 : 543,755.14 = 125,849.97 : x
  2. Step 2: Convert to fraction form
    362,499.77/543,755.14 = 125,849.97/x
  3. Step 3: Cross multiply
    362,499.77x = 543,755.14 × 125,849.97
  4. Step 4: Simplify right side
    362,499.77x = 68,431,567,741.72
  5. Step 5: Solve for x
    x = 68,431,567,741.72/362,499.77
  6. Step 6: Final answer
    x = 188,776.86

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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.