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Finding the Fourth Proportional to 222,899.45, 334,480.39 and 82,756.49

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Solution

The fourth proportional to 222,899.45, 334,480.39 and 82,756.49 is: 124,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,899.45 : 334,480.39 = 82,756.49 : x
  2. Step 2: Convert to fraction form
    222,899.45/334,480.39 = 82,756.49/x
  3. Step 3: Cross multiply
    222,899.45x = 334,480.39 × 82,756.49
  4. Step 4: Simplify right side
    222,899.45x = 27,680,421,170.94
  5. Step 5: Solve for x
    x = 27,680,421,170.94/222,899.45
  6. Step 6: Final answer
    x = 124,183.45

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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.