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Finding the Fourth Proportional to 365,747.79, 548,485.60 and 125,794.34

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Solution

The fourth proportional to 365,747.79, 548,485.60 and 125,794.34 is: 188,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,747.79 : 548,485.60 = 125,794.34 : x
  2. Step 2: Convert to fraction form
    365,747.79/548,485.60 = 125,794.34/x
  3. Step 3: Cross multiply
    365,747.79x = 548,485.60 × 125,794.34
  4. Step 4: Simplify right side
    365,747.79x = 68,996,383,287.28
  5. Step 5: Solve for x
    x = 68,996,383,287.28/365,747.79
  6. Step 6: Final answer
    x = 188,644.70

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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.