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Finding the Fourth Proportional to 239,672.27, 330,754.64 and 132,249.22

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Solution

The fourth proportional to 239,672.27, 330,754.64 and 132,249.22 is: 182,507.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,672.27 : 330,754.64 = 132,249.22 : x
  2. Step 2: Convert to fraction form
    239,672.27/330,754.64 = 132,249.22/x
  3. Step 3: Cross multiply
    239,672.27x = 330,754.64 × 132,249.22
  4. Step 4: Simplify right side
    239,672.27x = 43,742,042,655.12
  5. Step 5: Solve for x
    x = 43,742,042,655.12/239,672.27
  6. Step 6: Final answer
    x = 182,507.74

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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.