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Finding the Fourth Proportional to 244,015.20, 365,731.20 and 125,625.60

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Solution

The fourth proportional to 244,015.20, 365,731.20 and 125,625.60 is: 188,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,015.20 : 365,731.20 = 125,625.60 : x
  2. Step 2: Convert to fraction form
    244,015.20/365,731.20 = 125,625.60/x
  3. Step 3: Cross multiply
    244,015.20x = 365,731.20 × 125,625.60
  4. Step 4: Simplify right side
    244,015.20x = 45,945,201,438.72
  5. Step 5: Solve for x
    x = 45,945,201,438.72/244,015.20
  6. Step 6: Final answer
    x = 188,288.28

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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.