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Finding the Fourth Proportional to 218,532.60, 327,809.70 and 113,556.60

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Solution

The fourth proportional to 218,532.60, 327,809.70 and 113,556.60 is: 170,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,532.60 : 327,809.70 = 113,556.60 : x
  2. Step 2: Convert to fraction form
    218,532.60/327,809.70 = 113,556.60/x
  3. Step 3: Cross multiply
    218,532.60x = 327,809.70 × 113,556.60
  4. Step 4: Simplify right side
    218,532.60x = 37,224,954,979.02
  5. Step 5: Solve for x
    x = 37,224,954,979.02/218,532.60
  6. Step 6: Final answer
    x = 170,340.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.