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Finding the Fourth Proportional to 132,112.36, 198,175.04 and 53,215.92

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Solution

The fourth proportional to 132,112.36, 198,175.04 and 53,215.92 is: 79,826.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,112.36 : 198,175.04 = 53,215.92 : x
  2. Step 2: Convert to fraction form
    132,112.36/198,175.04 = 53,215.92/x
  3. Step 3: Cross multiply
    132,112.36x = 198,175.04 × 53,215.92
  4. Step 4: Simplify right side
    132,112.36x = 10,546,067,074.64
  5. Step 5: Solve for x
    x = 10,546,067,074.64/132,112.36
  6. Step 6: Final answer
    x = 79,826.50

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