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Finding the Fourth Proportional to 182.72, 272.02 and 175.28

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Solution

The fourth proportional to 182.72, 272.02 and 175.28 is: 260.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.72 : 272.02 = 175.28 : x
  2. Step 2: Convert to fraction form
    182.72/272.02 = 175.28/x
  3. Step 3: Cross multiply
    182.72x = 272.02 × 175.28
  4. Step 4: Simplify right side
    182.72x = 47,679.67
  5. Step 5: Solve for x
    x = 47,679.67/182.72
  6. Step 6: Final answer
    x = 260.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.