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Finding the Fourth Proportional to 171,912.39, 237,235.34 and 95,427

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Solution

The fourth proportional to 171,912.39, 237,235.34 and 95,427 is: 131,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,912.39 : 237,235.34 = 95,427 : x
  2. Step 2: Convert to fraction form
    171,912.39/237,235.34 = 95,427/x
  3. Step 3: Cross multiply
    171,912.39x = 237,235.34 × 95,427
  4. Step 4: Simplify right side
    171,912.39x = 22,638,656,313.05
  5. Step 5: Solve for x
    x = 22,638,656,313.05/171,912.39
  6. Step 6: Final answer
    x = 131,687.17

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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.