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Finding the Fourth Proportional to 231,393.36, 347,075.44 and 73,734.96

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Solution

The fourth proportional to 231,393.36, 347,075.44 and 73,734.96 is: 110,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,393.36 : 347,075.44 = 73,734.96 : x
  2. Step 2: Convert to fraction form
    231,393.36/347,075.44 = 73,734.96/x
  3. Step 3: Cross multiply
    231,393.36x = 347,075.44 × 73,734.96
  4. Step 4: Simplify right side
    231,393.36x = 25,591,593,685.38
  5. Step 5: Solve for x
    x = 25,591,593,685.38/231,393.36
  6. Step 6: Final answer
    x = 110,597.79

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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.