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Finding the Fourth Proportional to 184.58, 254.70 and 104.82

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Solution

The fourth proportional to 184.58, 254.70 and 104.82 is: 144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.58 : 254.70 = 104.82 : x
  2. Step 2: Convert to fraction form
    184.58/254.70 = 104.82/x
  3. Step 3: Cross multiply
    184.58x = 254.70 × 104.82
  4. Step 4: Simplify right side
    184.58x = 26,697.65
  5. Step 5: Solve for x
    x = 26,697.65/184.58
  6. Step 6: Final answer
    x = 144.64

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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.