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Finding the Fourth Proportional to 184.49, 276.80 and 93.11

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Solution

The fourth proportional to 184.49, 276.80 and 93.11 is: 139.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.49 : 276.80 = 93.11 : x
  2. Step 2: Convert to fraction form
    184.49/276.80 = 93.11/x
  3. Step 3: Cross multiply
    184.49x = 276.80 × 93.11
  4. Step 4: Simplify right side
    184.49x = 25,773.77
  5. Step 5: Solve for x
    x = 25,773.77/184.49
  6. Step 6: Final answer
    x = 139.70

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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.