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Finding the Fourth Proportional to 164.94, 227.64 and 94.99

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Solution

The fourth proportional to 164.94, 227.64 and 94.99 is: 131.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.94 : 227.64 = 94.99 : x
  2. Step 2: Convert to fraction form
    164.94/227.64 = 94.99/x
  3. Step 3: Cross multiply
    164.94x = 227.64 × 94.99
  4. Step 4: Simplify right side
    164.94x = 21,624.16
  5. Step 5: Solve for x
    x = 21,624.16/164.94
  6. Step 6: Final answer
    x = 131.10

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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.