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Finding the Fourth Proportional to 218,296.44, 327,620.03 and 113,145.48

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Solution

The fourth proportional to 218,296.44, 327,620.03 and 113,145.48 is: 169,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,296.44 : 327,620.03 = 113,145.48 : x
  2. Step 2: Convert to fraction form
    218,296.44/327,620.03 = 113,145.48/x
  3. Step 3: Cross multiply
    218,296.44x = 327,620.03 × 113,145.48
  4. Step 4: Simplify right side
    218,296.44x = 37,068,724,986.24
  5. Step 5: Solve for x
    x = 37,068,724,986.24/218,296.44
  6. Step 6: Final answer
    x = 169,809.11

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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.