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Finding the Fourth Proportional to 222,176.89, 333,299.89 and 72,382.30

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Solution

The fourth proportional to 222,176.89, 333,299.89 and 72,382.30 is: 108,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,176.89 : 333,299.89 = 72,382.30 : x
  2. Step 2: Convert to fraction form
    222,176.89/333,299.89 = 72,382.30/x
  3. Step 3: Cross multiply
    222,176.89x = 333,299.89 × 72,382.30
  4. Step 4: Simplify right side
    222,176.89x = 24,125,013,280.24
  5. Step 5: Solve for x
    x = 24,125,013,280.24/222,176.89
  6. Step 6: Final answer
    x = 108,584.71

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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.