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Finding the Fourth Proportional to 148,061.25, 204,329.39 and 80,993.25

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Solution

The fourth proportional to 148,061.25, 204,329.39 and 80,993.25 is: 111,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,061.25 : 204,329.39 = 80,993.25 : x
  2. Step 2: Convert to fraction form
    148,061.25/204,329.39 = 80,993.25/x
  3. Step 3: Cross multiply
    148,061.25x = 204,329.39 × 80,993.25
  4. Step 4: Simplify right side
    148,061.25x = 16,549,300,961.65
  5. Step 5: Solve for x
    x = 16,549,300,961.65/148,061.25
  6. Step 6: Final answer
    x = 111,773.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.