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Finding the Fourth Proportional to 184.68, 276.57 and 103.53

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Solution

The fourth proportional to 184.68, 276.57 and 103.53 is: 155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.68 : 276.57 = 103.53 : x
  2. Step 2: Convert to fraction form
    184.68/276.57 = 103.53/x
  3. Step 3: Cross multiply
    184.68x = 276.57 × 103.53
  4. Step 4: Simplify right side
    184.68x = 28,633.29
  5. Step 5: Solve for x
    x = 28,633.29/184.68
  6. Step 6: Final answer
    x = 155.04

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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.