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Finding the Fourth Proportional to 222,073.12, 332,961.72 and 122,280.30

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Solution

The fourth proportional to 222,073.12, 332,961.72 and 122,280.30 is: 183,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,073.12 : 332,961.72 = 122,280.30 : x
  2. Step 2: Convert to fraction form
    222,073.12/332,961.72 = 122,280.30/x
  3. Step 3: Cross multiply
    222,073.12x = 332,961.72 × 122,280.30
  4. Step 4: Simplify right side
    222,073.12x = 40,714,659,010.12
  5. Step 5: Solve for x
    x = 40,714,659,010.12/222,073.12
  6. Step 6: Final answer
    x = 183,338.98

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1.5x scale

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.