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Finding the Fourth Proportional to 178,828.80, 267,724.80 and 173,644.80

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Solution

The fourth proportional to 178,828.80, 267,724.80 and 173,644.80 is: 259,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,828.80 : 267,724.80 = 173,644.80 : x
  2. Step 2: Convert to fraction form
    178,828.80/267,724.80 = 173,644.80/x
  3. Step 3: Cross multiply
    178,828.80x = 267,724.80 × 173,644.80
  4. Step 4: Simplify right side
    178,828.80x = 46,489,019,351.04
  5. Step 5: Solve for x
    x = 46,489,019,351.04/178,828.80
  6. Step 6: Final answer
    x = 259,963.83

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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.