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Finding the Fourth Proportional to 173,106.90, 259,660.35 and 73,233.90

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Solution

The fourth proportional to 173,106.90, 259,660.35 and 73,233.90 is: 109,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,106.90 : 259,660.35 = 73,233.90 : x
  2. Step 2: Convert to fraction form
    173,106.90/259,660.35 = 73,233.90/x
  3. Step 3: Cross multiply
    173,106.90x = 259,660.35 × 73,233.90
  4. Step 4: Simplify right side
    173,106.90x = 19,015,940,105.87
  5. Step 5: Solve for x
    x = 19,015,940,105.87/173,106.90
  6. Step 6: Final answer
    x = 109,850.85

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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.