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Finding the Fourth Proportional to 81,524.56, 122,287 and 22,361.04

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Solution

The fourth proportional to 81,524.56, 122,287 and 22,361.04 is: 33,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,524.56 : 122,287 = 22,361.04 : x
  2. Step 2: Convert to fraction form
    81,524.56/122,287 = 22,361.04/x
  3. Step 3: Cross multiply
    81,524.56x = 122,287 × 22,361.04
  4. Step 4: Simplify right side
    81,524.56x = 2,734,464,498.48
  5. Step 5: Solve for x
    x = 2,734,464,498.48/81,524.56
  6. Step 6: Final answer
    x = 33,541.60

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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.