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Finding the Fourth Proportional to 183,453.80, 275,180.70 and 141,930.60

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Solution

The fourth proportional to 183,453.80, 275,180.70 and 141,930.60 is: 212,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,453.80 : 275,180.70 = 141,930.60 : x
  2. Step 2: Convert to fraction form
    183,453.80/275,180.70 = 141,930.60/x
  3. Step 3: Cross multiply
    183,453.80x = 275,180.70 × 141,930.60
  4. Step 4: Simplify right side
    183,453.80x = 39,056,561,859.42
  5. Step 5: Solve for x
    x = 39,056,561,859.42/183,453.80
  6. Step 6: Final answer
    x = 212,895.90

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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.