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Finding the Fourth Proportional to 184.72, 255 and 107.08

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Solution

The fourth proportional to 184.72, 255 and 107.08 is: 147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.72 : 255 = 107.08 : x
  2. Step 2: Convert to fraction form
    184.72/255 = 107.08/x
  3. Step 3: Cross multiply
    184.72x = 255 × 107.08
  4. Step 4: Simplify right side
    184.72x = 27,305.40
  5. Step 5: Solve for x
    x = 27,305.40/184.72
  6. Step 6: Final answer
    x = 147.82

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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.