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Finding the Fourth Proportional to 182, 273.12 and 68

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Solution

The fourth proportional to 182, 273.12 and 68 is: 102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    182 : 273.12 = 68 : x
  2. Step 2: Convert to fraction form
    182/273.12 = 68/x
  3. Step 3: Cross multiply
    182x = 273.12 × 68
  4. Step 4: Simplify right side
    182x = 18,572.16
  5. Step 5: Solve for x
    x = 18,572.16/182
  6. Step 6: Final answer
    x = 102.04

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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.