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Finding the Fourth Proportional to 218,052.36, 327,106.62 and 68,299.56

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Solution

The fourth proportional to 218,052.36, 327,106.62 and 68,299.56 is: 102,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,052.36 : 327,106.62 = 68,299.56 : x
  2. Step 2: Convert to fraction form
    218,052.36/327,106.62 = 68,299.56/x
  3. Step 3: Cross multiply
    218,052.36x = 327,106.62 × 68,299.56
  4. Step 4: Simplify right side
    218,052.36x = 22,341,238,219.09
  5. Step 5: Solve for x
    x = 22,341,238,219.09/218,052.36
  6. Step 6: Final answer
    x = 102,458.14

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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.