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Finding the Fourth Proportional to 182.93, 274.51 and 61.28

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Solution

The fourth proportional to 182.93, 274.51 and 61.28 is: 91.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.93 : 274.51 = 61.28 : x
  2. Step 2: Convert to fraction form
    182.93/274.51 = 61.28/x
  3. Step 3: Cross multiply
    182.93x = 274.51 × 61.28
  4. Step 4: Simplify right side
    182.93x = 16,822.65
  5. Step 5: Solve for x
    x = 16,822.65/182.93
  6. Step 6: Final answer
    x = 91.96

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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.