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Finding the Fourth Proportional to 141,679.41, 212,469.09 and 41,812.89

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Solution

The fourth proportional to 141,679.41, 212,469.09 and 41,812.89 is: 62,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,679.41 : 212,469.09 = 41,812.89 : x
  2. Step 2: Convert to fraction form
    141,679.41/212,469.09 = 41,812.89/x
  3. Step 3: Cross multiply
    141,679.41x = 212,469.09 × 41,812.89
  4. Step 4: Simplify right side
    141,679.41x = 8,883,946,688.57
  5. Step 5: Solve for x
    x = 8,883,946,688.57/141,679.41
  6. Step 6: Final answer
    x = 62,704.57

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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.