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Finding the Fourth Proportional to 197,869, 273,076.50 and 108,462.28

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Solution

The fourth proportional to 197,869, 273,076.50 and 108,462.28 is: 149,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,869 : 273,076.50 = 108,462.28 : x
  2. Step 2: Convert to fraction form
    197,869/273,076.50 = 108,462.28/x
  3. Step 3: Cross multiply
    197,869x = 273,076.50 × 108,462.28
  4. Step 4: Simplify right side
    197,869x = 29,618,499,804.42
  5. Step 5: Solve for x
    x = 29,618,499,804.42/197,869
  6. Step 6: Final answer
    x = 149,687.42

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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.