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Finding the Fourth Proportional to 141,289, 194,866.04 and 92,940.56

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Solution

The fourth proportional to 141,289, 194,866.04 and 92,940.56 is: 128,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,289 : 194,866.04 = 92,940.56 : x
  2. Step 2: Convert to fraction form
    141,289/194,866.04 = 92,940.56/x
  3. Step 3: Cross multiply
    141,289x = 194,866.04 × 92,940.56
  4. Step 4: Simplify right side
    141,289x = 18,110,958,882.58
  5. Step 5: Solve for x
    x = 18,110,958,882.58/141,289
  6. Step 6: Final answer
    x = 128,183.79

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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.