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Finding the Fourth Proportional to 185,054.44, 255,378.54 and 108,628.24

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Solution

The fourth proportional to 185,054.44, 255,378.54 and 108,628.24 is: 149,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,054.44 : 255,378.54 = 108,628.24 : x
  2. Step 2: Convert to fraction form
    185,054.44/255,378.54 = 108,628.24/x
  3. Step 3: Cross multiply
    185,054.44x = 255,378.54 × 108,628.24
  4. Step 4: Simplify right side
    185,054.44x = 27,741,321,333.97
  5. Step 5: Solve for x
    x = 27,741,321,333.97/185,054.44
  6. Step 6: Final answer
    x = 149,908.97

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1.5x scale

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.