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Finding the Fourth Proportional to 244,873.60, 367,310.40 and 87,107.20

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Solution

The fourth proportional to 244,873.60, 367,310.40 and 87,107.20 is: 130,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,873.60 : 367,310.40 = 87,107.20 : x
  2. Step 2: Convert to fraction form
    244,873.60/367,310.40 = 87,107.20/x
  3. Step 3: Cross multiply
    244,873.60x = 367,310.40 × 87,107.20
  4. Step 4: Simplify right side
    244,873.60x = 31,995,380,474.88
  5. Step 5: Solve for x
    x = 31,995,380,474.88/244,873.60
  6. Step 6: Final answer
    x = 130,660.80

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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.