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Finding the Fourth Proportional to 222,869.83, 334,353.96 and 82,628.47

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Solution

The fourth proportional to 222,869.83, 334,353.96 and 82,628.47 is: 123,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,869.83 : 334,353.96 = 82,628.47 : x
  2. Step 2: Convert to fraction form
    222,869.83/334,353.96 = 82,628.47/x
  3. Step 3: Cross multiply
    222,869.83x = 334,353.96 × 82,628.47
  4. Step 4: Simplify right side
    222,869.83x = 27,627,156,153.24
  5. Step 5: Solve for x
    x = 27,627,156,153.24/222,869.83
  6. Step 6: Final answer
    x = 123,960.95

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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.