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Finding the Fourth Proportional to 250,469.73, 345,662.37 and 148,555.53

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Solution

The fourth proportional to 250,469.73, 345,662.37 and 148,555.53 is: 205,015.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,469.73 : 345,662.37 = 148,555.53 : x
  2. Step 2: Convert to fraction form
    250,469.73/345,662.37 = 148,555.53/x
  3. Step 3: Cross multiply
    250,469.73x = 345,662.37 × 148,555.53
  4. Step 4: Simplify right side
    250,469.73x = 51,350,056,576.41
  5. Step 5: Solve for x
    x = 51,350,056,576.41/250,469.73
  6. Step 6: Final answer
    x = 205,015.02

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1.5x scale

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.