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Finding the Fourth Proportional to 222,378.94, 333,642.22 and 72,624.11

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Solution

The fourth proportional to 222,378.94, 333,642.22 and 72,624.11 is: 108,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,378.94 : 333,642.22 = 72,624.11 : x
  2. Step 2: Convert to fraction form
    222,378.94/333,642.22 = 72,624.11/x
  3. Step 3: Cross multiply
    222,378.94x = 333,642.22 × 72,624.11
  4. Step 4: Simplify right side
    222,378.94x = 24,230,468,922.80
  5. Step 5: Solve for x
    x = 24,230,468,922.80/222,378.94
  6. Step 6: Final answer
    x = 108,960.27

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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.