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Finding the Fourth Proportional to 167,692.45, 231,448.44 and 96,120.40

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Solution

The fourth proportional to 167,692.45, 231,448.44 and 96,120.40 is: 132,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,692.45 : 231,448.44 = 96,120.40 : x
  2. Step 2: Convert to fraction form
    167,692.45/231,448.44 = 96,120.40/x
  3. Step 3: Cross multiply
    167,692.45x = 231,448.44 × 96,120.40
  4. Step 4: Simplify right side
    167,692.45x = 22,246,916,632.18
  5. Step 5: Solve for x
    x = 22,246,916,632.18/167,692.45
  6. Step 6: Final answer
    x = 132,664.99

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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.