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Finding the Fourth Proportional to 239,596.82, 330,644.54 and 132,165.31

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Solution

The fourth proportional to 239,596.82, 330,644.54 and 132,165.31 is: 182,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,596.82 : 330,644.54 = 132,165.31 : x
  2. Step 2: Convert to fraction form
    239,596.82/330,644.54 = 132,165.31/x
  3. Step 3: Cross multiply
    239,596.82x = 330,644.54 × 132,165.31
  4. Step 4: Simplify right side
    239,596.82x = 43,699,735,814.86
  5. Step 5: Solve for x
    x = 43,699,735,814.86/239,596.82
  6. Step 6: Final answer
    x = 182,388.63

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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.