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Finding the Fourth Proportional to 132,954.40, 199,540.40 and 131,917.60

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Solution

The fourth proportional to 132,954.40, 199,540.40 and 131,917.60 is: 197,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,954.40 : 199,540.40 = 131,917.60 : x
  2. Step 2: Convert to fraction form
    132,954.40/199,540.40 = 131,917.60/x
  3. Step 3: Cross multiply
    132,954.40x = 199,540.40 × 131,917.60
  4. Step 4: Simplify right side
    132,954.40x = 26,322,890,671.04
  5. Step 5: Solve for x
    x = 26,322,890,671.04/132,954.40
  6. Step 6: Final answer
    x = 197,984.35

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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.