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Finding the Fourth Proportional to 239,707.69, 330,796.31 and 132,277.73

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Solution

The fourth proportional to 239,707.69, 330,796.31 and 132,277.73 is: 182,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,707.69 : 330,796.31 = 132,277.73 : x
  2. Step 2: Convert to fraction form
    239,707.69/330,796.31 = 132,277.73/x
  3. Step 3: Cross multiply
    239,707.69x = 330,796.31 × 132,277.73
  4. Step 4: Simplify right side
    239,707.69x = 43,756,982,663.81
  5. Step 5: Solve for x
    x = 43,756,982,663.81/239,707.69
  6. Step 6: Final answer
    x = 182,543.09

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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.