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Finding the Fourth Proportional to 258,652.73, 356,738.54 and 168,037.88

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Solution

The fourth proportional to 258,652.73, 356,738.54 and 168,037.88 is: 231,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,652.73 : 356,738.54 = 168,037.88 : x
  2. Step 2: Convert to fraction form
    258,652.73/356,738.54 = 168,037.88/x
  3. Step 3: Cross multiply
    258,652.73x = 356,738.54 × 168,037.88
  4. Step 4: Simplify right side
    258,652.73x = 59,945,585,352.01
  5. Step 5: Solve for x
    x = 59,945,585,352.01/258,652.73
  6. Step 6: Final answer
    x = 231,760.89

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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.