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Finding the Fourth Proportional to 184.66, 254.77 and 114.74

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Solution

The fourth proportional to 184.66, 254.77 and 114.74 is: 158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.66 : 254.77 = 114.74 : x
  2. Step 2: Convert to fraction form
    184.66/254.77 = 114.74/x
  3. Step 3: Cross multiply
    184.66x = 254.77 × 114.74
  4. Step 4: Simplify right side
    184.66x = 29,232.31
  5. Step 5: Solve for x
    x = 29,232.31/184.66
  6. Step 6: Final answer
    x = 158.30

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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.