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Finding the Fourth Proportional to 114.44, 157.98 and 114.08

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Solution

The fourth proportional to 114.44, 157.98 and 114.08 is: 157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.44 : 157.98 = 114.08 : x
  2. Step 2: Convert to fraction form
    114.44/157.98 = 114.08/x
  3. Step 3: Cross multiply
    114.44x = 157.98 × 114.08
  4. Step 4: Simplify right side
    114.44x = 18,022.36
  5. Step 5: Solve for x
    x = 18,022.36/114.44
  6. Step 6: Final answer
    x = 157.48

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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.