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Finding the Fourth Proportional to 184.89, 277.34 and 47.94

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Solution

The fourth proportional to 184.89, 277.34 and 47.94 is: 71.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.89 : 277.34 = 47.94 : x
  2. Step 2: Convert to fraction form
    184.89/277.34 = 47.94/x
  3. Step 3: Cross multiply
    184.89x = 277.34 × 47.94
  4. Step 4: Simplify right side
    184.89x = 13,294.05
  5. Step 5: Solve for x
    x = 13,294.05/184.89
  6. Step 6: Final answer
    x = 71.90

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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.