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Finding the Fourth Proportional to 134.22, 184.95 and 114.48

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Solution

The fourth proportional to 134.22, 184.95 and 114.48 is: 157.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.22 : 184.95 = 114.48 : x
  2. Step 2: Convert to fraction form
    134.22/184.95 = 114.48/x
  3. Step 3: Cross multiply
    134.22x = 184.95 × 114.48
  4. Step 4: Simplify right side
    134.22x = 21,173.08
  5. Step 5: Solve for x
    x = 21,173.08/134.22
  6. Step 6: Final answer
    x = 157.75

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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.