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Finding the Fourth Proportional to 239,668.23, 330,743.34 and 132,238.34

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Solution

The fourth proportional to 239,668.23, 330,743.34 and 132,238.34 is: 182,489.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,668.23 : 330,743.34 = 132,238.34 : x
  2. Step 2: Convert to fraction form
    239,668.23/330,743.34 = 132,238.34/x
  3. Step 3: Cross multiply
    239,668.23x = 330,743.34 × 132,238.34
  4. Step 4: Simplify right side
    239,668.23x = 43,736,950,247.66
  5. Step 5: Solve for x
    x = 43,736,950,247.66/239,668.23
  6. Step 6: Final answer
    x = 182,489.56

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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.