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Finding the Fourth Proportional to 197,996.68, 273,247.86 and 108,572.68

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Solution

The fourth proportional to 197,996.68, 273,247.86 and 108,572.68 is: 149,837.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,996.68 : 273,247.86 = 108,572.68 : x
  2. Step 2: Convert to fraction form
    197,996.68/273,247.86 = 108,572.68/x
  3. Step 3: Cross multiply
    197,996.68x = 273,247.86 × 108,572.68
  4. Step 4: Simplify right side
    197,996.68x = 29,667,252,464.46
  5. Step 5: Solve for x
    x = 29,667,252,464.46/197,996.68
  6. Step 6: Final answer
    x = 149,837.12

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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.