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Finding the Fourth Proportional to 222,634.53, 333,919.50 and 72,880.75

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Solution

The fourth proportional to 222,634.53, 333,919.50 and 72,880.75 is: 109,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,634.53 : 333,919.50 = 72,880.75 : x
  2. Step 2: Convert to fraction form
    222,634.53/333,919.50 = 72,880.75/x
  3. Step 3: Cross multiply
    222,634.53x = 333,919.50 × 72,880.75
  4. Step 4: Simplify right side
    222,634.53x = 24,336,303,743.72
  5. Step 5: Solve for x
    x = 24,336,303,743.72/222,634.53
  6. Step 6: Final answer
    x = 109,310.55

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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.