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Finding the Fourth Proportional to 184.74, 276.58 and 123.75

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Solution

The fourth proportional to 184.74, 276.58 and 123.75 is: 185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.74 : 276.58 = 123.75 : x
  2. Step 2: Convert to fraction form
    184.74/276.58 = 123.75/x
  3. Step 3: Cross multiply
    184.74x = 276.58 × 123.75
  4. Step 4: Simplify right side
    184.74x = 34,226.78
  5. Step 5: Solve for x
    x = 34,226.78/184.74
  6. Step 6: Final answer
    x = 185.27

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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.