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Finding the Fourth Proportional to 223,415.64, 335,120.54 and 54,937.43

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Solution

The fourth proportional to 223,415.64, 335,120.54 and 54,937.43 is: 82,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,415.64 : 335,120.54 = 54,937.43 : x
  2. Step 2: Convert to fraction form
    223,415.64/335,120.54 = 54,937.43/x
  3. Step 3: Cross multiply
    223,415.64x = 335,120.54 × 54,937.43
  4. Step 4: Simplify right side
    223,415.64x = 18,410,659,257.52
  5. Step 5: Solve for x
    x = 18,410,659,257.52/223,415.64
  6. Step 6: Final answer
    x = 82,405.42

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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.