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Finding the Fourth Proportional to 182.76, 272.46 and 174.12

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Solution

The fourth proportional to 182.76, 272.46 and 174.12 is: 259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    182.76 : 272.46 = 174.12 : x
  2. Step 2: Convert to fraction form
    182.76/272.46 = 174.12/x
  3. Step 3: Cross multiply
    182.76x = 272.46 × 174.12
  4. Step 4: Simplify right side
    182.76x = 47,440.74
  5. Step 5: Solve for x
    x = 47,440.74/182.76
  6. Step 6: Final answer
    x = 259.58

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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.