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Finding the Fourth Proportional to 184.23, 276.48 and 155.66

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Solution

The fourth proportional to 184.23, 276.48 and 155.66 is: 233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.23 : 276.48 = 155.66 : x
  2. Step 2: Convert to fraction form
    184.23/276.48 = 155.66/x
  3. Step 3: Cross multiply
    184.23x = 276.48 × 155.66
  4. Step 4: Simplify right side
    184.23x = 43,035.49
  5. Step 5: Solve for x
    x = 43,035.49/184.23
  6. Step 6: Final answer
    x = 233.60

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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.