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Finding the Fourth Proportional to 183,619.80, 275,429.70 and 168,456.60

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Solution

The fourth proportional to 183,619.80, 275,429.70 and 168,456.60 is: 252,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,619.80 : 275,429.70 = 168,456.60 : x
  2. Step 2: Convert to fraction form
    183,619.80/275,429.70 = 168,456.60/x
  3. Step 3: Cross multiply
    183,619.80x = 275,429.70 × 168,456.60
  4. Step 4: Simplify right side
    183,619.80x = 46,397,950,801.02
  5. Step 5: Solve for x
    x = 46,397,950,801.02/183,619.80
  6. Step 6: Final answer
    x = 252,684.90

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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.