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Finding the Fourth Proportional to 185.44, 277.52 and 155.06

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Solution

The fourth proportional to 185.44, 277.52 and 155.06 is: 232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.44 : 277.52 = 155.06 : x
  2. Step 2: Convert to fraction form
    185.44/277.52 = 155.06/x
  3. Step 3: Cross multiply
    185.44x = 277.52 × 155.06
  4. Step 4: Simplify right side
    185.44x = 43,032.25
  5. Step 5: Solve for x
    x = 43,032.25/185.44
  6. Step 6: Final answer
    x = 232.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.