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Finding the Fourth Proportional to 184.73, 254.91 and 111.08

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Solution

The fourth proportional to 184.73, 254.91 and 111.08 is: 153.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.73 : 254.91 = 111.08 : x
  2. Step 2: Convert to fraction form
    184.73/254.91 = 111.08/x
  3. Step 3: Cross multiply
    184.73x = 254.91 × 111.08
  4. Step 4: Simplify right side
    184.73x = 28,314.13
  5. Step 5: Solve for x
    x = 28,314.13/184.73
  6. Step 6: Final answer
    x = 153.28

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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.