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Finding the Fourth Proportional to 222,109, 333,198.12 and 72,313.93

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Solution

The fourth proportional to 222,109, 333,198.12 and 72,313.93 is: 108,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,109 : 333,198.12 = 72,313.93 : x
  2. Step 2: Convert to fraction form
    222,109/333,198.12 = 72,313.93/x
  3. Step 3: Cross multiply
    222,109x = 333,198.12 × 72,313.93
  4. Step 4: Simplify right side
    222,109x = 24,094,865,525.81
  5. Step 5: Solve for x
    x = 24,094,865,525.81/222,109
  6. Step 6: Final answer
    x = 108,482.17

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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.