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Finding the Fourth Proportional to 222,758.40, 334,137.60 and 166,989.90

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Solution

The fourth proportional to 222,758.40, 334,137.60 and 166,989.90 is: 250,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,758.40 : 334,137.60 = 166,989.90 : x
  2. Step 2: Convert to fraction form
    222,758.40/334,137.60 = 166,989.90/x
  3. Step 3: Cross multiply
    222,758.40x = 334,137.60 × 166,989.90
  4. Step 4: Simplify right side
    222,758.40x = 55,797,604,410.24
  5. Step 5: Solve for x
    x = 55,797,604,410.24/222,758.40
  6. Step 6: Final answer
    x = 250,484.85

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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.