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Finding the Fourth Proportional to 250,644.73, 345,892.39 and 135,923.60

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Solution

The fourth proportional to 250,644.73, 345,892.39 and 135,923.60 is: 187,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,644.73 : 345,892.39 = 135,923.60 : x
  2. Step 2: Convert to fraction form
    250,644.73/345,892.39 = 135,923.60/x
  3. Step 3: Cross multiply
    250,644.73x = 345,892.39 × 135,923.60
  4. Step 4: Simplify right side
    250,644.73x = 47,014,936,792.13
  5. Step 5: Solve for x
    x = 47,014,936,792.13/250,644.73
  6. Step 6: Final answer
    x = 187,576.01

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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.