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Finding the Fourth Proportional to 184.43, 254.59 and 110.78

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Solution

The fourth proportional to 184.43, 254.59 and 110.78 is: 152.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.43 : 254.59 = 110.78 : x
  2. Step 2: Convert to fraction form
    184.43/254.59 = 110.78/x
  3. Step 3: Cross multiply
    184.43x = 254.59 × 110.78
  4. Step 4: Simplify right side
    184.43x = 28,203.84
  5. Step 5: Solve for x
    x = 28,203.84/184.43
  6. Step 6: Final answer
    x = 152.93

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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.