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Finding the Fourth Proportional to 114.36, 156.63 and 110.28

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Solution

The fourth proportional to 114.36, 156.63 and 110.28 is: 151.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.36 : 156.63 = 110.28 : x
  2. Step 2: Convert to fraction form
    114.36/156.63 = 110.28/x
  3. Step 3: Cross multiply
    114.36x = 156.63 × 110.28
  4. Step 4: Simplify right side
    114.36x = 17,273.16
  5. Step 5: Solve for x
    x = 17,273.16/114.36
  6. Step 6: Final answer
    x = 151.04

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.