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Finding the Fourth Proportional to 193,673.75, 267,283.41 and 108,790.88

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Solution

The fourth proportional to 193,673.75, 267,283.41 and 108,790.88 is: 150,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,673.75 : 267,283.41 = 108,790.88 : x
  2. Step 2: Convert to fraction form
    193,673.75/267,283.41 = 108,790.88/x
  3. Step 3: Cross multiply
    193,673.75x = 267,283.41 × 108,790.88
  4. Step 4: Simplify right side
    193,673.75x = 29,077,997,383.30
  5. Step 5: Solve for x
    x = 29,077,997,383.30/193,673.75
  6. Step 6: Final answer
    x = 150,139.07

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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.