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Finding the Fourth Proportional to 233,930.78, 350,896.20 and 91,843.06

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Solution

The fourth proportional to 233,930.78, 350,896.20 and 91,843.06 is: 137,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,930.78 : 350,896.20 = 91,843.06 : x
  2. Step 2: Convert to fraction form
    233,930.78/350,896.20 = 91,843.06/x
  3. Step 3: Cross multiply
    233,930.78x = 350,896.20 × 91,843.06
  4. Step 4: Simplify right side
    233,930.78x = 32,227,380,291.16
  5. Step 5: Solve for x
    x = 32,227,380,291.16/233,930.78
  6. Step 6: Final answer
    x = 137,764.60

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1.5x scale

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.