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Finding the Fourth Proportional to 239,628.33, 359,495.42 and 71,162.37

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Solution

The fourth proportional to 239,628.33, 359,495.42 and 71,162.37 is: 106,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,628.33 : 359,495.42 = 71,162.37 : x
  2. Step 2: Convert to fraction form
    239,628.33/359,495.42 = 71,162.37/x
  3. Step 3: Cross multiply
    239,628.33x = 359,495.42 × 71,162.37
  4. Step 4: Simplify right side
    239,628.33x = 25,582,545,735.53
  5. Step 5: Solve for x
    x = 25,582,545,735.53/239,628.33
  6. Step 6: Final answer
    x = 106,759.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.