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Finding the Fourth Proportional to 184.63, 276.95 and 88.42

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Solution

The fourth proportional to 184.63, 276.95 and 88.42 is: 132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.63 : 276.95 = 88.42 : x
  2. Step 2: Convert to fraction form
    184.63/276.95 = 88.42/x
  3. Step 3: Cross multiply
    184.63x = 276.95 × 88.42
  4. Step 4: Simplify right side
    184.63x = 24,487.70
  5. Step 5: Solve for x
    x = 24,487.70/184.63
  6. Step 6: Final answer
    x = 132.63

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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.