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Finding the Fourth Proportional to 263,422.94, 395,120.48 and 73,896.38

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Solution

The fourth proportional to 263,422.94, 395,120.48 and 73,896.38 is: 110,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,422.94 : 395,120.48 = 73,896.38 : x
  2. Step 2: Convert to fraction form
    263,422.94/395,120.48 = 73,896.38/x
  3. Step 3: Cross multiply
    263,422.94x = 395,120.48 × 73,896.38
  4. Step 4: Simplify right side
    263,422.94x = 29,197,973,135.86
  5. Step 5: Solve for x
    x = 29,197,973,135.86/263,422.94
  6. Step 6: Final answer
    x = 110,840.66

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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.