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Finding the Fourth Proportional to 258,539.85, 356,836.10 and 167,768.37

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Solution

The fourth proportional to 258,539.85, 356,836.10 and 167,768.37 is: 231,553.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,539.85 : 356,836.10 = 167,768.37 : x
  2. Step 2: Convert to fraction form
    258,539.85/356,836.10 = 167,768.37/x
  3. Step 3: Cross multiply
    258,539.85x = 356,836.10 × 167,768.37
  4. Step 4: Simplify right side
    258,539.85x = 59,865,810,015.32
  5. Step 5: Solve for x
    x = 59,865,810,015.32/258,539.85
  6. Step 6: Final answer
    x = 231,553.51

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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.