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Finding the Fourth Proportional to 239,684.16, 330,757.92 and 132,249

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Solution

The fourth proportional to 239,684.16, 330,757.92 and 132,249 is: 182,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,684.16 : 330,757.92 = 132,249 : x
  2. Step 2: Convert to fraction form
    239,684.16/330,757.92 = 132,249/x
  3. Step 3: Cross multiply
    239,684.16x = 330,757.92 × 132,249
  4. Step 4: Simplify right side
    239,684.16x = 43,742,404,162.08
  5. Step 5: Solve for x
    x = 43,742,404,162.08/239,684.16
  6. Step 6: Final answer
    x = 182,500.19

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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.