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Finding the Fourth Proportional to 133,010.22, 199,403.06 and 61,896.09

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Solution

The fourth proportional to 133,010.22, 199,403.06 and 61,896.09 is: 92,791.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,010.22 : 199,403.06 = 61,896.09 : x
  2. Step 2: Convert to fraction form
    133,010.22/199,403.06 = 61,896.09/x
  3. Step 3: Cross multiply
    133,010.22x = 199,403.06 × 61,896.09
  4. Step 4: Simplify right side
    133,010.22x = 12,342,269,438.55
  5. Step 5: Solve for x
    x = 12,342,269,438.55/133,010.22
  6. Step 6: Final answer
    x = 92,791.89

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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.