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Finding the Fourth Proportional to 61,167.30, 91,736.75 and 16,797.63

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Solution

The fourth proportional to 61,167.30, 91,736.75 and 16,797.63 is: 25,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,167.30 : 91,736.75 = 16,797.63 : x
  2. Step 2: Convert to fraction form
    61,167.30/91,736.75 = 16,797.63/x
  3. Step 3: Cross multiply
    61,167.30x = 91,736.75 × 16,797.63
  4. Step 4: Simplify right side
    61,167.30x = 1,540,959,853.89
  5. Step 5: Solve for x
    x = 1,540,959,853.89/61,167.30
  6. Step 6: Final answer
    x = 25,192.54

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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.