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Finding the Fourth Proportional to 182.16, 273.20 and 52.14

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Solution

The fourth proportional to 182.16, 273.20 and 52.14 is: 78.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.16 : 273.20 = 52.14 : x
  2. Step 2: Convert to fraction form
    182.16/273.20 = 52.14/x
  3. Step 3: Cross multiply
    182.16x = 273.20 × 52.14
  4. Step 4: Simplify right side
    182.16x = 14,244.65
  5. Step 5: Solve for x
    x = 14,244.65/182.16
  6. Step 6: Final answer
    x = 78.20

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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.