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Finding the Fourth Proportional to 239,485.70, 330,492.57 and 132,059.54

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Solution

The fourth proportional to 239,485.70, 330,492.57 and 132,059.54 is: 182,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,485.70 : 330,492.57 = 132,059.54 : x
  2. Step 2: Convert to fraction form
    239,485.70/330,492.57 = 132,059.54/x
  3. Step 3: Cross multiply
    239,485.70x = 330,492.57 × 132,059.54
  4. Step 4: Simplify right side
    239,485.70x = 43,644,696,767.62
  5. Step 5: Solve for x
    x = 43,644,696,767.62/239,485.70
  6. Step 6: Final answer
    x = 182,243.44

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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.