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Finding the Fourth Proportional to 149,630.44, 224,479.49 and 49,794.57

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Solution

The fourth proportional to 149,630.44, 224,479.49 and 49,794.57 is: 74,703.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,630.44 : 224,479.49 = 49,794.57 : x
  2. Step 2: Convert to fraction form
    149,630.44/224,479.49 = 49,794.57/x
  3. Step 3: Cross multiply
    149,630.44x = 224,479.49 × 49,794.57
  4. Step 4: Simplify right side
    149,630.44x = 11,177,860,270.82
  5. Step 5: Solve for x
    x = 11,177,860,270.82/149,630.44
  6. Step 6: Final answer
    x = 74,703.12

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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.