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Finding the Fourth Proportional to 223,425.92, 308,224.92 and 197,958.08

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Solution

The fourth proportional to 223,425.92, 308,224.92 and 197,958.08 is: 273,091.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,425.92 : 308,224.92 = 197,958.08 : x
  2. Step 2: Convert to fraction form
    223,425.92/308,224.92 = 197,958.08/x
  3. Step 3: Cross multiply
    223,425.92x = 308,224.92 × 197,958.08
  4. Step 4: Simplify right side
    223,425.92x = 61,015,613,371.35
  5. Step 5: Solve for x
    x = 61,015,613,371.35/223,425.92
  6. Step 6: Final answer
    x = 273,091.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.