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Finding the Fourth Proportional to 164.06, 226.47 and 112.34

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Solution

The fourth proportional to 164.06, 226.47 and 112.34 is: 155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.06 : 226.47 = 112.34 : x
  2. Step 2: Convert to fraction form
    164.06/226.47 = 112.34/x
  3. Step 3: Cross multiply
    164.06x = 226.47 × 112.34
  4. Step 4: Simplify right side
    164.06x = 25,441.64
  5. Step 5: Solve for x
    x = 25,441.64/164.06
  6. Step 6: Final answer
    x = 155.08

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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.