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Finding the Fourth Proportional to 61,203.26, 91,761.81 and 23,731.74

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Solution

The fourth proportional to 61,203.26, 91,761.81 and 23,731.74 is: 35,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,203.26 : 91,761.81 = 23,731.74 : x
  2. Step 2: Convert to fraction form
    61,203.26/91,761.81 = 23,731.74/x
  3. Step 3: Cross multiply
    61,203.26x = 91,761.81 × 23,731.74
  4. Step 4: Simplify right side
    61,203.26x = 2,177,667,416.85
  5. Step 5: Solve for x
    x = 2,177,667,416.85/61,203.26
  6. Step 6: Final answer
    x = 35,580.91

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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.