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Finding the Fourth Proportional to 182,517.42, 251,872.55 and 100,845.42

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Solution

The fourth proportional to 182,517.42, 251,872.55 and 100,845.42 is: 139,165.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,517.42 : 251,872.55 = 100,845.42 : x
  2. Step 2: Convert to fraction form
    182,517.42/251,872.55 = 100,845.42/x
  3. Step 3: Cross multiply
    182,517.42x = 251,872.55 × 100,845.42
  4. Step 4: Simplify right side
    182,517.42x = 25,400,194,004.68
  5. Step 5: Solve for x
    x = 25,400,194,004.68/182,517.42
  6. Step 6: Final answer
    x = 139,165.86

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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.