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Finding the Fourth Proportional to 179,667.65, 269,058.61 and 112,942.28

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Solution

The fourth proportional to 179,667.65, 269,058.61 and 112,942.28 is: 169,135.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,667.65 : 269,058.61 = 112,942.28 : x
  2. Step 2: Convert to fraction form
    179,667.65/269,058.61 = 112,942.28/x
  3. Step 3: Cross multiply
    179,667.65x = 269,058.61 × 112,942.28
  4. Step 4: Simplify right side
    179,667.65x = 30,388,093,680.86
  5. Step 5: Solve for x
    x = 30,388,093,680.86/179,667.65
  6. Step 6: Final answer
    x = 169,135.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.