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Finding the Fourth Proportional to 223,893.56, 335,840.40 and 74,093.60

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Solution

The fourth proportional to 223,893.56, 335,840.40 and 74,093.60 is: 111,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,893.56 : 335,840.40 = 74,093.60 : x
  2. Step 2: Convert to fraction form
    223,893.56/335,840.40 = 74,093.60/x
  3. Step 3: Cross multiply
    223,893.56x = 335,840.40 × 74,093.60
  4. Step 4: Simplify right side
    223,893.56x = 24,883,624,261.44
  5. Step 5: Solve for x
    x = 24,883,624,261.44/223,893.56
  6. Step 6: Final answer
    x = 111,140.42

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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.