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Finding the Fourth Proportional to 184.68, 254.91 and 111

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Solution

The fourth proportional to 184.68, 254.91 and 111 is: 153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.68 : 254.91 = 111 : x
  2. Step 2: Convert to fraction form
    184.68/254.91 = 111/x
  3. Step 3: Cross multiply
    184.68x = 254.91 × 111
  4. Step 4: Simplify right side
    184.68x = 28,295.01
  5. Step 5: Solve for x
    x = 28,295.01/184.68
  6. Step 6: Final answer
    x = 153.21

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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.