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Finding the Fourth Proportional to 136,425.28, 188,266.56 and 95,649.28

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Solution

The fourth proportional to 136,425.28, 188,266.56 and 95,649.28 is: 131,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,425.28 : 188,266.56 = 95,649.28 : x
  2. Step 2: Convert to fraction form
    136,425.28/188,266.56 = 95,649.28/x
  3. Step 3: Cross multiply
    136,425.28x = 188,266.56 × 95,649.28
  4. Step 4: Simplify right side
    136,425.28x = 18,007,560,912.08
  5. Step 5: Solve for x
    x = 18,007,560,912.08/136,425.28
  6. Step 6: Final answer
    x = 131,995.78

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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.