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Finding the Fourth Proportional to 108,769.52, 150,149.04 and 101,960.48

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Solution

The fourth proportional to 108,769.52, 150,149.04 and 101,960.48 is: 140,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,769.52 : 150,149.04 = 101,960.48 : x
  2. Step 2: Convert to fraction form
    108,769.52/150,149.04 = 101,960.48/x
  3. Step 3: Cross multiply
    108,769.52x = 150,149.04 × 101,960.48
  4. Step 4: Simplify right side
    108,769.52x = 15,309,268,189.94
  5. Step 5: Solve for x
    x = 15,309,268,189.94/108,769.52
  6. Step 6: Final answer
    x = 140,749.62

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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.