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Finding the Fourth Proportional to 132,475.60, 198,660.60 and 43,704.40

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Solution

The fourth proportional to 132,475.60, 198,660.60 and 43,704.40 is: 65,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,475.60 : 198,660.60 = 43,704.40 : x
  2. Step 2: Convert to fraction form
    132,475.60/198,660.60 = 43,704.40/x
  3. Step 3: Cross multiply
    132,475.60x = 198,660.60 × 43,704.40
  4. Step 4: Simplify right side
    132,475.60x = 8,682,342,326.64
  5. Step 5: Solve for x
    x = 8,682,342,326.64/132,475.60
  6. Step 6: Final answer
    x = 65,539.18

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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.