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Finding the Fourth Proportional to 194.91, 269.00 and 112.01

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Solution

The fourth proportional to 194.91, 269.00 and 112.01 is: 154.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.91 : 269.00 = 112.01 : x
  2. Step 2: Convert to fraction form
    194.91/269.00 = 112.01/x
  3. Step 3: Cross multiply
    194.91x = 269.00 × 112.01
  4. Step 4: Simplify right side
    194.91x = 30,128.78
  5. Step 5: Solve for x
    x = 30,128.78/194.91
  6. Step 6: Final answer
    x = 154.58

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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.