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Finding the Fourth Proportional to 222,732.30, 334,138.95 and 72,930.90

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Solution

The fourth proportional to 222,732.30, 334,138.95 and 72,930.90 is: 109,409.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,732.30 : 334,138.95 = 72,930.90 : x
  2. Step 2: Convert to fraction form
    222,732.30/334,138.95 = 72,930.90/x
  3. Step 3: Cross multiply
    222,732.30x = 334,138.95 × 72,930.90
  4. Step 4: Simplify right side
    222,732.30x = 24,369,054,348.56
  5. Step 5: Solve for x
    x = 24,369,054,348.56/222,732.30
  6. Step 6: Final answer
    x = 109,409.61

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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.