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Finding the Fourth Proportional to 222,857.58, 334,335.57 and 82,616.20

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Solution

The fourth proportional to 222,857.58, 334,335.57 and 82,616.20 is: 123,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,857.58 : 334,335.57 = 82,616.20 : x
  2. Step 2: Convert to fraction form
    222,857.58/334,335.57 = 82,616.20/x
  3. Step 3: Cross multiply
    222,857.58x = 334,335.57 × 82,616.20
  4. Step 4: Simplify right side
    222,857.58x = 27,621,535,750.30
  5. Step 5: Solve for x
    x = 27,621,535,750.30/222,857.58
  6. Step 6: Final answer
    x = 123,942.55

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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.