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Finding the Fourth Proportional to 184.66, 276.87 and 157.66

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Solution

The fourth proportional to 184.66, 276.87 and 157.66 is: 236.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.66 : 276.87 = 157.66 : x
  2. Step 2: Convert to fraction form
    184.66/276.87 = 157.66/x
  3. Step 3: Cross multiply
    184.66x = 276.87 × 157.66
  4. Step 4: Simplify right side
    184.66x = 43,651.32
  5. Step 5: Solve for x
    x = 43,651.32/184.66
  6. Step 6: Final answer
    x = 236.39

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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.