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Finding the Fourth Proportional to 258,648.39, 356,732.24 and 168,033.35

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Solution

The fourth proportional to 258,648.39, 356,732.24 and 168,033.35 is: 231,754.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,648.39 : 356,732.24 = 168,033.35 : x
  2. Step 2: Convert to fraction form
    258,648.39/356,732.24 = 168,033.35/x
  3. Step 3: Cross multiply
    258,648.39x = 356,732.24 × 168,033.35
  4. Step 4: Simplify right side
    258,648.39x = 59,942,913,391.87
  5. Step 5: Solve for x
    x = 59,942,913,391.87/258,648.39
  6. Step 6: Final answer
    x = 231,754.44

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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.