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Finding the Fourth Proportional to 199,273.56, 274,995.28 and 108,627.56

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Solution

The fourth proportional to 199,273.56, 274,995.28 and 108,627.56 is: 149,904.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,273.56 : 274,995.28 = 108,627.56 : x
  2. Step 2: Convert to fraction form
    199,273.56/274,995.28 = 108,627.56/x
  3. Step 3: Cross multiply
    199,273.56x = 274,995.28 × 108,627.56
  4. Step 4: Simplify right side
    199,273.56x = 29,872,066,277.92
  5. Step 5: Solve for x
    x = 29,872,066,277.92/199,273.56
  6. Step 6: Final answer
    x = 149,904.82

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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.