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Finding the Fourth Proportional to 226,692.65, 312,857.94 and 169,232.20

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Solution

The fourth proportional to 226,692.65, 312,857.94 and 169,232.20 is: 233,556.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,692.65 : 312,857.94 = 169,232.20 : x
  2. Step 2: Convert to fraction form
    226,692.65/312,857.94 = 169,232.20/x
  3. Step 3: Cross multiply
    226,692.65x = 312,857.94 × 169,232.20
  4. Step 4: Simplify right side
    226,692.65x = 52,945,635,063.22
  5. Step 5: Solve for x
    x = 52,945,635,063.22/226,692.65
  6. Step 6: Final answer
    x = 233,556.91

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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.