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Finding the Fourth Proportional to 195,166.54, 269,299.21 and 113,512.87

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Solution

The fourth proportional to 195,166.54, 269,299.21 and 113,512.87 is: 156,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,166.54 : 269,299.21 = 113,512.87 : x
  2. Step 2: Convert to fraction form
    195,166.54/269,299.21 = 113,512.87/x
  3. Step 3: Cross multiply
    195,166.54x = 269,299.21 × 113,512.87
  4. Step 4: Simplify right side
    195,166.54x = 30,568,924,301.77
  5. Step 5: Solve for x
    x = 30,568,924,301.77/195,166.54
  6. Step 6: Final answer
    x = 156,629.95

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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.