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Finding the Fourth Proportional to 258,648.51, 356,732.73 and 168,033.67

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Solution

The fourth proportional to 258,648.51, 356,732.73 and 168,033.67 is: 231,755.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,648.51 : 356,732.73 = 168,033.67 : x
  2. Step 2: Convert to fraction form
    258,648.51/356,732.73 = 168,033.67/x
  3. Step 3: Cross multiply
    258,648.51x = 356,732.73 × 168,033.67
  4. Step 4: Simplify right side
    258,648.51x = 59,943,107,207.19
  5. Step 5: Solve for x
    x = 59,943,107,207.19/258,648.51
  6. Step 6: Final answer
    x = 231,755.09

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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.