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Finding the Fourth Proportional to 182.96, 275.72 and 156.26

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Solution

The fourth proportional to 182.96, 275.72 and 156.26 is: 235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.96 : 275.72 = 156.26 : x
  2. Step 2: Convert to fraction form
    182.96/275.72 = 156.26/x
  3. Step 3: Cross multiply
    182.96x = 275.72 × 156.26
  4. Step 4: Simplify right side
    182.96x = 43,084.01
  5. Step 5: Solve for x
    x = 43,084.01/182.96
  6. Step 6: Final answer
    x = 235.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.