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Finding the Fourth Proportional to 114.28, 157.44 and 110.50

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Solution

The fourth proportional to 114.28, 157.44 and 110.50 is: 152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.28 : 157.44 = 110.50 : x
  2. Step 2: Convert to fraction form
    114.28/157.44 = 110.50/x
  3. Step 3: Cross multiply
    114.28x = 157.44 × 110.50
  4. Step 4: Simplify right side
    114.28x = 17,397.12
  5. Step 5: Solve for x
    x = 17,397.12/114.28
  6. Step 6: Final answer
    x = 152.23

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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.