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Finding the Fourth Proportional to 244,138.20, 365,915.70 and 125,748.60

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Solution

The fourth proportional to 244,138.20, 365,915.70 and 125,748.60 is: 188,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,138.20 : 365,915.70 = 125,748.60 : x
  2. Step 2: Convert to fraction form
    244,138.20/365,915.70 = 125,748.60/x
  3. Step 3: Cross multiply
    244,138.20x = 365,915.70 × 125,748.60
  4. Step 4: Simplify right side
    244,138.20x = 46,013,386,993.02
  5. Step 5: Solve for x
    x = 46,013,386,993.02/244,138.20
  6. Step 6: Final answer
    x = 188,472.71

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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.