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Finding the Fourth Proportional to 61,165.99, 91,732.33 and 16,782.22

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Solution

The fourth proportional to 61,165.99, 91,732.33 and 16,782.22 is: 25,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,165.99 : 91,732.33 = 16,782.22 : x
  2. Step 2: Convert to fraction form
    61,165.99/91,732.33 = 16,782.22/x
  3. Step 3: Cross multiply
    61,165.99x = 91,732.33 × 16,782.22
  4. Step 4: Simplify right side
    61,165.99x = 1,539,472,143.17
  5. Step 5: Solve for x
    x = 1,539,472,143.17/61,165.99
  6. Step 6: Final answer
    x = 25,168.76

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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.