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Finding the Fourth Proportional to 184.48, 254.72 and 132.88

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Solution

The fourth proportional to 184.48, 254.72 and 132.88 is: 183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.48 : 254.72 = 132.88 : x
  2. Step 2: Convert to fraction form
    184.48/254.72 = 132.88/x
  3. Step 3: Cross multiply
    184.48x = 254.72 × 132.88
  4. Step 4: Simplify right side
    184.48x = 33,847.19
  5. Step 5: Solve for x
    x = 33,847.19/184.48
  6. Step 6: Final answer
    x = 183.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.