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Finding the Fourth Proportional to 223,416.39, 335,121.67 and 54,938.18

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Solution

The fourth proportional to 223,416.39, 335,121.67 and 54,938.18 is: 82,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,416.39 : 335,121.67 = 54,938.18 : x
  2. Step 2: Convert to fraction form
    223,416.39/335,121.67 = 54,938.18/x
  3. Step 3: Cross multiply
    223,416.39x = 335,121.67 × 54,938.18
  4. Step 4: Simplify right side
    223,416.39x = 18,410,972,678.06
  5. Step 5: Solve for x
    x = 18,410,972,678.06/223,416.39
  6. Step 6: Final answer
    x = 82,406.54

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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.