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Finding the Fourth Proportional to 173,072.80, 259,582.20 and 54,773.20

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Solution

The fourth proportional to 173,072.80, 259,582.20 and 54,773.20 is: 82,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,072.80 : 259,582.20 = 54,773.20 : x
  2. Step 2: Convert to fraction form
    173,072.80/259,582.20 = 54,773.20/x
  3. Step 3: Cross multiply
    173,072.80x = 259,582.20 × 54,773.20
  4. Step 4: Simplify right side
    173,072.80x = 14,218,147,757.04
  5. Step 5: Solve for x
    x = 14,218,147,757.04/173,072.80
  6. Step 6: Final answer
    x = 82,151.26

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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.