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Finding the Fourth Proportional to 236,529, 326,410.02 and 161,209.08

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Solution

The fourth proportional to 236,529, 326,410.02 and 161,209.08 is: 222,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,529 : 326,410.02 = 161,209.08 : x
  2. Step 2: Convert to fraction form
    236,529/326,410.02 = 161,209.08/x
  3. Step 3: Cross multiply
    236,529x = 326,410.02 × 161,209.08
  4. Step 4: Simplify right side
    236,529x = 52,620,259,026.98
  5. Step 5: Solve for x
    x = 52,620,259,026.98/236,529
  6. Step 6: Final answer
    x = 222,468.53

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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.