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Finding the Fourth Proportional to 239,481.84, 330,477.44 and 132,054

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Solution

The fourth proportional to 239,481.84, 330,477.44 and 132,054 is: 182,230.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,481.84 : 330,477.44 = 132,054 : x
  2. Step 2: Convert to fraction form
    239,481.84/330,477.44 = 132,054/x
  3. Step 3: Cross multiply
    239,481.84x = 330,477.44 × 132,054
  4. Step 4: Simplify right side
    239,481.84x = 43,640,867,861.76
  5. Step 5: Solve for x
    x = 43,640,867,861.76/239,481.84
  6. Step 6: Final answer
    x = 182,230.38

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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.