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Finding the Fourth Proportional to 223,958.80, 335,938.20 and 206,851.60

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Solution

The fourth proportional to 223,958.80, 335,938.20 and 206,851.60 is: 310,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,958.80 : 335,938.20 = 206,851.60 : x
  2. Step 2: Convert to fraction form
    223,958.80/335,938.20 = 206,851.60/x
  3. Step 3: Cross multiply
    223,958.80x = 335,938.20 × 206,851.60
  4. Step 4: Simplify right side
    223,958.80x = 69,489,354,171.12
  5. Step 5: Solve for x
    x = 69,489,354,171.12/223,958.80
  6. Step 6: Final answer
    x = 310,277.40

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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.