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Finding the Fourth Proportional to 182.26, 272.64 and 117.16

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Solution

The fourth proportional to 182.26, 272.64 and 117.16 is: 175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.26 : 272.64 = 117.16 : x
  2. Step 2: Convert to fraction form
    182.26/272.64 = 117.16/x
  3. Step 3: Cross multiply
    182.26x = 272.64 × 117.16
  4. Step 4: Simplify right side
    182.26x = 31,942.50
  5. Step 5: Solve for x
    x = 31,942.50/182.26
  6. Step 6: Final answer
    x = 175.26

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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.