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Finding the Fourth Proportional to 250,540.74, 345,760.36 and 148,626.54

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Solution

The fourth proportional to 250,540.74, 345,760.36 and 148,626.54 is: 205,113.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,540.74 : 345,760.36 = 148,626.54 : x
  2. Step 2: Convert to fraction form
    250,540.74/345,760.36 = 148,626.54/x
  3. Step 3: Cross multiply
    250,540.74x = 345,760.36 × 148,626.54
  4. Step 4: Simplify right side
    250,540.74x = 51,389,165,975.95
  5. Step 5: Solve for x
    x = 51,389,165,975.95/250,540.74
  6. Step 6: Final answer
    x = 205,113.01

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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.