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Finding the Fourth Proportional to 182.31, 273.59 and 117.31

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Solution

The fourth proportional to 182.31, 273.59 and 117.31 is: 176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.31 : 273.59 = 117.31 : x
  2. Step 2: Convert to fraction form
    182.31/273.59 = 117.31/x
  3. Step 3: Cross multiply
    182.31x = 273.59 × 117.31
  4. Step 4: Simplify right side
    182.31x = 32,092.89
  5. Step 5: Solve for x
    x = 32,092.89/182.31
  6. Step 6: Final answer
    x = 176.03

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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.