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Finding the Fourth Proportional to 184.49, 276.78 and 93.16

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Solution

The fourth proportional to 184.49, 276.78 and 93.16 is: 139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.49 : 276.78 = 93.16 : x
  2. Step 2: Convert to fraction form
    184.49/276.78 = 93.16/x
  3. Step 3: Cross multiply
    184.49x = 276.78 × 93.16
  4. Step 4: Simplify right side
    184.49x = 25,785.52
  5. Step 5: Solve for x
    x = 25,785.52/184.49
  6. Step 6: Final answer
    x = 139.77

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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.