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Finding the Fourth Proportional to 182.93, 252.44 and 117.55

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Solution

The fourth proportional to 182.93, 252.44 and 117.55 is: 162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.93 : 252.44 = 117.55 : x
  2. Step 2: Convert to fraction form
    182.93/252.44 = 117.55/x
  3. Step 3: Cross multiply
    182.93x = 252.44 × 117.55
  4. Step 4: Simplify right side
    182.93x = 29,673.82
  5. Step 5: Solve for x
    x = 29,673.82/182.93
  6. Step 6: Final answer
    x = 162.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.