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Finding the Fourth Proportional to 235,954.56, 325,935.84 and 188,540.64

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Solution

The fourth proportional to 235,954.56, 325,935.84 and 188,540.64 is: 260,440.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,954.56 : 325,935.84 = 188,540.64 : x
  2. Step 2: Convert to fraction form
    235,954.56/325,935.84 = 188,540.64/x
  3. Step 3: Cross multiply
    235,954.56x = 325,935.84 × 188,540.64
  4. Step 4: Simplify right side
    235,954.56x = 61,452,151,872.54
  5. Step 5: Solve for x
    x = 61,452,151,872.54/235,954.56
  6. Step 6: Final answer
    x = 260,440.62

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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.