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Finding the Fourth Proportional to 126,745.54, 190,103.72 and 33,258.58

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Solution

The fourth proportional to 126,745.54, 190,103.72 and 33,258.58 is: 49,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,745.54 : 190,103.72 = 33,258.58 : x
  2. Step 2: Convert to fraction form
    126,745.54/190,103.72 = 33,258.58/x
  3. Step 3: Cross multiply
    126,745.54x = 190,103.72 × 33,258.58
  4. Step 4: Simplify right side
    126,745.54x = 6,322,579,779.92
  5. Step 5: Solve for x
    x = 6,322,579,779.92/126,745.54
  6. Step 6: Final answer
    x = 49,884.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.