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Finding the Fourth Proportional to 250,662.66, 345,913.01 and 135,940.16

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Solution

The fourth proportional to 250,662.66, 345,913.01 and 135,940.16 is: 187,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,662.66 : 345,913.01 = 135,940.16 : x
  2. Step 2: Convert to fraction form
    250,662.66/345,913.01 = 135,940.16/x
  3. Step 3: Cross multiply
    250,662.66x = 345,913.01 × 135,940.16
  4. Step 4: Simplify right side
    250,662.66x = 47,023,469,751.57
  5. Step 5: Solve for x
    x = 47,023,469,751.57/250,662.66
  6. Step 6: Final answer
    x = 187,596.63

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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.