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Finding the Fourth Proportional to 182.85, 274.01 and 100.55

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Solution

The fourth proportional to 182.85, 274.01 and 100.55 is: 150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.85 : 274.01 = 100.55 : x
  2. Step 2: Convert to fraction form
    182.85/274.01 = 100.55/x
  3. Step 3: Cross multiply
    182.85x = 274.01 × 100.55
  4. Step 4: Simplify right side
    182.85x = 27,549.83
  5. Step 5: Solve for x
    x = 27,549.83/182.85
  6. Step 6: Final answer
    x = 150.67

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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.