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Finding the Fourth Proportional to 182.45, 273.74 and 117.58

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Solution

The fourth proportional to 182.45, 273.74 and 117.58 is: 176.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.45 : 273.74 = 117.58 : x
  2. Step 2: Convert to fraction form
    182.45/273.74 = 117.58/x
  3. Step 3: Cross multiply
    182.45x = 273.74 × 117.58
  4. Step 4: Simplify right side
    182.45x = 32,186.35
  5. Step 5: Solve for x
    x = 32,186.35/182.45
  6. Step 6: Final answer
    x = 176.41

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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.