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Finding the Fourth Proportional to 239,672.39, 330,754.82 and 132,249.34

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Solution

The fourth proportional to 239,672.39, 330,754.82 and 132,249.34 is: 182,507.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,672.39 : 330,754.82 = 132,249.34 : x
  2. Step 2: Convert to fraction form
    239,672.39/330,754.82 = 132,249.34/x
  3. Step 3: Cross multiply
    239,672.39x = 330,754.82 × 132,249.34
  4. Step 4: Simplify right side
    239,672.39x = 43,742,105,985.57
  5. Step 5: Solve for x
    x = 43,742,105,985.57/239,672.39
  6. Step 6: Final answer
    x = 182,507.91

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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.