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Finding the Fourth Proportional to 366.06, 549.18 and 168.42

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Solution

The fourth proportional to 366.06, 549.18 and 168.42 is: 252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.06 : 549.18 = 168.42 : x
  2. Step 2: Convert to fraction form
    366.06/549.18 = 168.42/x
  3. Step 3: Cross multiply
    366.06x = 549.18 × 168.42
  4. Step 4: Simplify right side
    366.06x = 92,492.90
  5. Step 5: Solve for x
    x = 92,492.90/366.06
  6. Step 6: Final answer
    x = 252.67

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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.