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Finding the Fourth Proportional to 222,708.52, 306,936.16 and 162,183.30

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Solution

The fourth proportional to 222,708.52, 306,936.16 and 162,183.30 is: 223,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,708.52 : 306,936.16 = 162,183.30 : x
  2. Step 2: Convert to fraction form
    222,708.52/306,936.16 = 162,183.30/x
  3. Step 3: Cross multiply
    222,708.52x = 306,936.16 × 162,183.30
  4. Step 4: Simplify right side
    222,708.52x = 49,779,919,318.13
  5. Step 5: Solve for x
    x = 49,779,919,318.13/222,708.52
  6. Step 6: Final answer
    x = 223,520.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.