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Finding the Fourth Proportional to 61,165.67, 84,409.33 and 33,942.31

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Solution

The fourth proportional to 61,165.67, 84,409.33 and 33,942.31 is: 46,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,165.67 : 84,409.33 = 33,942.31 : x
  2. Step 2: Convert to fraction form
    61,165.67/84,409.33 = 33,942.31/x
  3. Step 3: Cross multiply
    61,165.67x = 84,409.33 × 33,942.31
  4. Step 4: Simplify right side
    61,165.67x = 2,865,047,645.75
  5. Step 5: Solve for x
    x = 2,865,047,645.75/61,165.67
  6. Step 6: Final answer
    x = 46,840.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.