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Finding the Fourth Proportional to 222,855.36, 334,334.96 and 122,991.52

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Solution

The fourth proportional to 222,855.36, 334,334.96 and 122,991.52 is: 184,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,855.36 : 334,334.96 = 122,991.52 : x
  2. Step 2: Convert to fraction form
    222,855.36/334,334.96 = 122,991.52/x
  3. Step 3: Cross multiply
    222,855.36x = 334,334.96 × 122,991.52
  4. Step 4: Simplify right side
    222,855.36x = 41,120,364,919.54
  5. Step 5: Solve for x
    x = 41,120,364,919.54/222,855.36
  6. Step 6: Final answer
    x = 184,515.93

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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.