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Finding the Fourth Proportional to 222,785.20, 334,030.20 and 122,993.20

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Solution

The fourth proportional to 222,785.20, 334,030.20 and 122,993.20 is: 184,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,785.20 : 334,030.20 = 122,993.20 : x
  2. Step 2: Convert to fraction form
    222,785.20/334,030.20 = 122,993.20/x
  3. Step 3: Cross multiply
    222,785.20x = 334,030.20 × 122,993.20
  4. Step 4: Simplify right side
    222,785.20x = 41,083,443,194.64
  5. Step 5: Solve for x
    x = 41,083,443,194.64/222,785.20
  6. Step 6: Final answer
    x = 184,408.31

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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.