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Finding the Fourth Proportional to 222,162.71, 333,379.39 and 79,996.10

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Solution

The fourth proportional to 222,162.71, 333,379.39 and 79,996.10 is: 120,042.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,162.71 : 333,379.39 = 79,996.10 : x
  2. Step 2: Convert to fraction form
    222,162.71/333,379.39 = 79,996.10/x
  3. Step 3: Cross multiply
    222,162.71x = 333,379.39 × 79,996.10
  4. Step 4: Simplify right side
    222,162.71x = 26,669,049,153.49
  5. Step 5: Solve for x
    x = 26,669,049,153.49/222,162.71
  6. Step 6: Final answer
    x = 120,042.87

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1.5x scale

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.