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Finding the Fourth Proportional to 244,915.20, 367,286.40 and 111,859.20

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Solution

The fourth proportional to 244,915.20, 367,286.40 and 111,859.20 is: 167,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,915.20 : 367,286.40 = 111,859.20 : x
  2. Step 2: Convert to fraction form
    244,915.20/367,286.40 = 111,859.20/x
  3. Step 3: Cross multiply
    244,915.20x = 367,286.40 × 111,859.20
  4. Step 4: Simplify right side
    244,915.20x = 41,084,362,874.88
  5. Step 5: Solve for x
    x = 41,084,362,874.88/244,915.20
  6. Step 6: Final answer
    x = 167,749.34

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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.