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Finding the Fourth Proportional to 222,118.62, 333,177.67 and 72,358.68

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Solution

The fourth proportional to 222,118.62, 333,177.67 and 72,358.68 is: 108,537.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,118.62 : 333,177.67 = 72,358.68 : x
  2. Step 2: Convert to fraction form
    222,118.62/333,177.67 = 72,358.68/x
  3. Step 3: Cross multiply
    222,118.62x = 333,177.67 × 72,358.68
  4. Step 4: Simplify right side
    222,118.62x = 24,108,296,406.68
  5. Step 5: Solve for x
    x = 24,108,296,406.68/222,118.62
  6. Step 6: Final answer
    x = 108,537.94

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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.