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Finding the Fourth Proportional to 150,201.44, 207,273.87 and 85,669.22

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Solution

The fourth proportional to 150,201.44, 207,273.87 and 85,669.22 is: 118,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,201.44 : 207,273.87 = 85,669.22 : x
  2. Step 2: Convert to fraction form
    150,201.44/207,273.87 = 85,669.22/x
  3. Step 3: Cross multiply
    150,201.44x = 207,273.87 × 85,669.22
  4. Step 4: Simplify right side
    150,201.44x = 17,756,990,769.28
  5. Step 5: Solve for x
    x = 17,756,990,769.28/150,201.44
  6. Step 6: Final answer
    x = 118,221.18

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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.