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Finding the Fourth Proportional to 235,995.20, 325,675.61 and 134,022.78

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Solution

The fourth proportional to 235,995.20, 325,675.61 and 134,022.78 is: 184,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,995.20 : 325,675.61 = 134,022.78 : x
  2. Step 2: Convert to fraction form
    235,995.20/325,675.61 = 134,022.78/x
  3. Step 3: Cross multiply
    235,995.20x = 325,675.61 × 134,022.78
  4. Step 4: Simplify right side
    235,995.20x = 43,647,949,960.28
  5. Step 5: Solve for x
    x = 43,647,949,960.28/235,995.20
  6. Step 6: Final answer
    x = 184,952.71

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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.