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Finding the Fourth Proportional to 248,516.20, 372,836.40 and 80,052.40

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Solution

The fourth proportional to 248,516.20, 372,836.40 and 80,052.40 is: 120,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,516.20 : 372,836.40 = 80,052.40 : x
  2. Step 2: Convert to fraction form
    248,516.20/372,836.40 = 80,052.40/x
  3. Step 3: Cross multiply
    248,516.20x = 372,836.40 × 80,052.40
  4. Step 4: Simplify right side
    248,516.20x = 29,846,448,627.36
  5. Step 5: Solve for x
    x = 29,846,448,627.36/248,516.20
  6. Step 6: Final answer
    x = 120,098.60

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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.