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Finding the Fourth Proportional to 276,149.44, 414,137.44 and 118,335.68

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Solution

The fourth proportional to 276,149.44, 414,137.44 and 118,335.68 is: 177,466.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,149.44 : 414,137.44 = 118,335.68 : x
  2. Step 2: Convert to fraction form
    276,149.44/414,137.44 = 118,335.68/x
  3. Step 3: Cross multiply
    276,149.44x = 414,137.44 × 118,335.68
  4. Step 4: Simplify right side
    276,149.44x = 49,007,235,575.86
  5. Step 5: Solve for x
    x = 49,007,235,575.86/276,149.44
  6. Step 6: Final answer
    x = 177,466.36

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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.