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Finding the Fourth Proportional to 222,787.28, 334,212.76 and 72,995.60

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Solution

The fourth proportional to 222,787.28, 334,212.76 and 72,995.60 is: 109,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,787.28 : 334,212.76 = 72,995.60 : x
  2. Step 2: Convert to fraction form
    222,787.28/334,212.76 = 72,995.60/x
  3. Step 3: Cross multiply
    222,787.28x = 334,212.76 × 72,995.60
  4. Step 4: Simplify right side
    222,787.28x = 24,396,060,943.86
  5. Step 5: Solve for x
    x = 24,396,060,943.86/222,787.28
  6. Step 6: Final answer
    x = 109,503.83

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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.