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Finding the Fourth Proportional to 114.26, 157.44 and 101.84

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Solution

The fourth proportional to 114.26, 157.44 and 101.84 is: 140.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.26 : 157.44 = 101.84 : x
  2. Step 2: Convert to fraction form
    114.26/157.44 = 101.84/x
  3. Step 3: Cross multiply
    114.26x = 157.44 × 101.84
  4. Step 4: Simplify right side
    114.26x = 16,033.57
  5. Step 5: Solve for x
    x = 16,033.57/114.26
  6. Step 6: Final answer
    x = 140.33

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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.