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Finding the Fourth Proportional to 132,565.51, 198,879.41 and 43,819.02

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Solution

The fourth proportional to 132,565.51, 198,879.41 and 43,819.02 is: 65,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.51 : 198,879.41 = 43,819.02 : x
  2. Step 2: Convert to fraction form
    132,565.51/198,879.41 = 43,819.02/x
  3. Step 3: Cross multiply
    132,565.51x = 198,879.41 × 43,819.02
  4. Step 4: Simplify right side
    132,565.51x = 8,714,700,789.60
  5. Step 5: Solve for x
    x = 8,714,700,789.60/132,565.51
  6. Step 6: Final answer
    x = 65,738.83

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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.