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Finding the Fourth Proportional to 73,687.96, 110,466.26 and 34,223.56

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Solution

The fourth proportional to 73,687.96, 110,466.26 and 34,223.56 is: 51,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,687.96 : 110,466.26 = 34,223.56 : x
  2. Step 2: Convert to fraction form
    73,687.96/110,466.26 = 34,223.56/x
  3. Step 3: Cross multiply
    73,687.96x = 110,466.26 × 34,223.56
  4. Step 4: Simplify right side
    73,687.96x = 3,780,548,677.09
  5. Step 5: Solve for x
    x = 3,780,548,677.09/73,687.96
  6. Step 6: Final answer
    x = 51,304.84

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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.