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Finding the Fourth Proportional to 197.54, 272.18 and 184.16

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Solution

The fourth proportional to 197.54, 272.18 and 184.16 is: 253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.54 : 272.18 = 184.16 : x
  2. Step 2: Convert to fraction form
    197.54/272.18 = 184.16/x
  3. Step 3: Cross multiply
    197.54x = 272.18 × 184.16
  4. Step 4: Simplify right side
    197.54x = 50,124.67
  5. Step 5: Solve for x
    x = 50,124.67/197.54
  6. Step 6: Final answer
    x = 253.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.