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Finding the Fourth Proportional to 239,366.34, 330,323.88 and 131,936.46

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Solution

The fourth proportional to 239,366.34, 330,323.88 and 131,936.46 is: 182,071.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,366.34 : 330,323.88 = 131,936.46 : x
  2. Step 2: Convert to fraction form
    239,366.34/330,323.88 = 131,936.46/x
  3. Step 3: Cross multiply
    239,366.34x = 330,323.88 × 131,936.46
  4. Step 4: Simplify right side
    239,366.34x = 43,581,763,380.66
  5. Step 5: Solve for x
    x = 43,581,763,380.66/239,366.34
  6. Step 6: Final answer
    x = 182,071.39

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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.