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Finding the Fourth Proportional to 191.31, 262.10 and 184.02

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Solution

The fourth proportional to 191.31, 262.10 and 184.02 is: 252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    191.31 : 262.10 = 184.02 : x
  2. Step 2: Convert to fraction form
    191.31/262.10 = 184.02/x
  3. Step 3: Cross multiply
    191.31x = 262.10 × 184.02
  4. Step 4: Simplify right side
    191.31x = 48,230.72
  5. Step 5: Solve for x
    x = 48,230.72/191.31
  6. Step 6: Final answer
    x = 252.11

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.