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Finding the Fourth Proportional to 182.32, 273.36 and 74.08

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Solution

The fourth proportional to 182.32, 273.36 and 74.08 is: 111.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.32 : 273.36 = 74.08 : x
  2. Step 2: Convert to fraction form
    182.32/273.36 = 74.08/x
  3. Step 3: Cross multiply
    182.32x = 273.36 × 74.08
  4. Step 4: Simplify right side
    182.32x = 20,250.51
  5. Step 5: Solve for x
    x = 20,250.51/182.32
  6. Step 6: Final answer
    x = 111.07

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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.