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Finding the Fourth Proportional to 183,610.80, 275,286.60 and 71,247.60

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Solution

The fourth proportional to 183,610.80, 275,286.60 and 71,247.60 is: 106,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,610.80 : 275,286.60 = 71,247.60 : x
  2. Step 2: Convert to fraction form
    183,610.80/275,286.60 = 71,247.60/x
  3. Step 3: Cross multiply
    183,610.80x = 275,286.60 × 71,247.60
  4. Step 4: Simplify right side
    183,610.80x = 19,613,509,562.16
  5. Step 5: Solve for x
    x = 19,613,509,562.16/183,610.80
  6. Step 6: Final answer
    x = 106,821.11

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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.