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Finding the Fourth Proportional to 185.36, 277.96 and 113.36

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Solution

The fourth proportional to 185.36, 277.96 and 113.36 is: 169.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.36 : 277.96 = 113.36 : x
  2. Step 2: Convert to fraction form
    185.36/277.96 = 113.36/x
  3. Step 3: Cross multiply
    185.36x = 277.96 × 113.36
  4. Step 4: Simplify right side
    185.36x = 31,509.55
  5. Step 5: Solve for x
    x = 31,509.55/185.36
  6. Step 6: Final answer
    x = 169.99

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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.