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Finding the Fourth Proportional to 222,544.62, 333,830.50 and 72,800.72

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Solution

The fourth proportional to 222,544.62, 333,830.50 and 72,800.72 is: 109,205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,544.62 : 333,830.50 = 72,800.72 : x
  2. Step 2: Convert to fraction form
    222,544.62/333,830.50 = 72,800.72/x
  3. Step 3: Cross multiply
    222,544.62x = 333,830.50 × 72,800.72
  4. Step 4: Simplify right side
    222,544.62x = 24,303,100,757.96
  5. Step 5: Solve for x
    x = 24,303,100,757.96/222,544.62
  6. Step 6: Final answer
    x = 109,205.52

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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.