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Finding the Fourth Proportional to 164.36, 226.64 and 114.59

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Solution

The fourth proportional to 164.36, 226.64 and 114.59 is: 158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    164.36 : 226.64 = 114.59 : x
  2. Step 2: Convert to fraction form
    164.36/226.64 = 114.59/x
  3. Step 3: Cross multiply
    164.36x = 226.64 × 114.59
  4. Step 4: Simplify right side
    164.36x = 25,971.53
  5. Step 5: Solve for x
    x = 25,971.53/164.36
  6. Step 6: Final answer
    x = 158.01

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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.