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Finding the Fourth Proportional to 142,673.80, 213,960.22 and 41,450.80

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Solution

The fourth proportional to 142,673.80, 213,960.22 and 41,450.80 is: 62,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,673.80 : 213,960.22 = 41,450.80 : x
  2. Step 2: Convert to fraction form
    142,673.80/213,960.22 = 41,450.80/x
  3. Step 3: Cross multiply
    142,673.80x = 213,960.22 × 41,450.80
  4. Step 4: Simplify right side
    142,673.80x = 8,868,822,287.18
  5. Step 5: Solve for x
    x = 8,868,822,287.18/142,673.80
  6. Step 6: Final answer
    x = 62,161.53

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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.