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Finding the Fourth Proportional to 184.61, 276.62 and 112.34

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Solution

The fourth proportional to 184.61, 276.62 and 112.34 is: 168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.61 : 276.62 = 112.34 : x
  2. Step 2: Convert to fraction form
    184.61/276.62 = 112.34/x
  3. Step 3: Cross multiply
    184.61x = 276.62 × 112.34
  4. Step 4: Simplify right side
    184.61x = 31,073.55
  5. Step 5: Solve for x
    x = 31,073.55/184.61
  6. Step 6: Final answer
    x = 168.32

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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.