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Finding the Fourth Proportional to 182.18, 273.32 and 53.93

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Solution

The fourth proportional to 182.18, 273.32 and 53.93 is: 80.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.18 : 273.32 = 53.93 : x
  2. Step 2: Convert to fraction form
    182.18/273.32 = 53.93/x
  3. Step 3: Cross multiply
    182.18x = 273.32 × 53.93
  4. Step 4: Simplify right side
    182.18x = 14,738.51
  5. Step 5: Solve for x
    x = 14,738.51/182.18
  6. Step 6: Final answer
    x = 80.90

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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.