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Finding the Fourth Proportional to 61,744.31, 85,207.23 and 33,449.99

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Solution

The fourth proportional to 61,744.31, 85,207.23 and 33,449.99 is: 46,161.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,744.31 : 85,207.23 = 33,449.99 : x
  2. Step 2: Convert to fraction form
    61,744.31/85,207.23 = 33,449.99/x
  3. Step 3: Cross multiply
    61,744.31x = 85,207.23 × 33,449.99
  4. Step 4: Simplify right side
    61,744.31x = 2,850,181,297.20
  5. Step 5: Solve for x
    x = 2,850,181,297.20/61,744.31
  6. Step 6: Final answer
    x = 46,161.04

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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.