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Finding the Fourth Proportional to 108,951.44, 150,369.24 and 66,534.56

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Solution

The fourth proportional to 108,951.44, 150,369.24 and 66,534.56 is: 91,827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,951.44 : 150,369.24 = 66,534.56 : x
  2. Step 2: Convert to fraction form
    108,951.44/150,369.24 = 66,534.56/x
  3. Step 3: Cross multiply
    108,951.44x = 150,369.24 × 66,534.56
  4. Step 4: Simplify right side
    108,951.44x = 10,004,751,220.93
  5. Step 5: Solve for x
    x = 10,004,751,220.93/108,951.44
  6. Step 6: Final answer
    x = 91,827.62

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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.