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Finding the Fourth Proportional to 60,791.22, 91,185.89 and 31,191.98

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Solution

The fourth proportional to 60,791.22, 91,185.89 and 31,191.98 is: 46,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,791.22 : 91,185.89 = 31,191.98 : x
  2. Step 2: Convert to fraction form
    60,791.22/91,185.89 = 31,191.98/x
  3. Step 3: Cross multiply
    60,791.22x = 91,185.89 × 31,191.98
  4. Step 4: Simplify right side
    60,791.22x = 2,844,267,845.27
  5. Step 5: Solve for x
    x = 2,844,267,845.27/60,791.22
  6. Step 6: Final answer
    x = 46,787.48

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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.