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Finding the Fourth Proportional to 239,662.94, 330,744.86 and 132,239.94

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Solution

The fourth proportional to 239,662.94, 330,744.86 and 132,239.94 is: 182,496.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,662.94 : 330,744.86 = 132,239.94 : x
  2. Step 2: Convert to fraction form
    239,662.94/330,744.86 = 132,239.94/x
  3. Step 3: Cross multiply
    239,662.94x = 330,744.86 × 132,239.94
  4. Step 4: Simplify right side
    239,662.94x = 43,737,680,441.71
  5. Step 5: Solve for x
    x = 43,737,680,441.71/239,662.94
  6. Step 6: Final answer
    x = 182,496.64

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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.