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Finding the Fourth Proportional to 233,694.05, 350,391.24 and 98,721.54

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Solution

The fourth proportional to 233,694.05, 350,391.24 and 98,721.54 is: 148,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,694.05 : 350,391.24 = 98,721.54 : x
  2. Step 2: Convert to fraction form
    233,694.05/350,391.24 = 98,721.54/x
  3. Step 3: Cross multiply
    233,694.05x = 350,391.24 × 98,721.54
  4. Step 4: Simplify right side
    233,694.05x = 34,591,162,815.31
  5. Step 5: Solve for x
    x = 34,591,162,815.31/233,694.05
  6. Step 6: Final answer
    x = 148,019.02

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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.