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Finding the Fourth Proportional to 184.89, 255.16 and 107.26

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Solution

The fourth proportional to 184.89, 255.16 and 107.26 is: 148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.89 : 255.16 = 107.26 : x
  2. Step 2: Convert to fraction form
    184.89/255.16 = 107.26/x
  3. Step 3: Cross multiply
    184.89x = 255.16 × 107.26
  4. Step 4: Simplify right side
    184.89x = 27,368.51
  5. Step 5: Solve for x
    x = 27,368.51/184.89
  6. Step 6: Final answer
    x = 148.03

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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.