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Finding the Fourth Proportional to 184.36, 276.48 and 155.49

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Solution

The fourth proportional to 184.36, 276.48 and 155.49 is: 233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.36 : 276.48 = 155.49 : x
  2. Step 2: Convert to fraction form
    184.36/276.48 = 155.49/x
  3. Step 3: Cross multiply
    184.36x = 276.48 × 155.49
  4. Step 4: Simplify right side
    184.36x = 42,988.84
  5. Step 5: Solve for x
    x = 42,988.84/184.36
  6. Step 6: Final answer
    x = 233.18

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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.