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Finding the Fourth Proportional to 173,074.84, 259,644.30 and 54,775.96

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Solution

The fourth proportional to 173,074.84, 259,644.30 and 54,775.96 is: 82,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,074.84 : 259,644.30 = 54,775.96 : x
  2. Step 2: Convert to fraction form
    173,074.84/259,644.30 = 54,775.96/x
  3. Step 3: Cross multiply
    173,074.84x = 259,644.30 × 54,775.96
  4. Step 4: Simplify right side
    173,074.84x = 14,222,265,791.03
  5. Step 5: Solve for x
    x = 14,222,265,791.03/173,074.84
  6. Step 6: Final answer
    x = 82,174.08

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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.