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Finding the Fourth Proportional to 146,063.66, 219,093.20 and 74,945.25

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Solution

The fourth proportional to 146,063.66, 219,093.20 and 74,945.25 is: 112,416.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,063.66 : 219,093.20 = 74,945.25 : x
  2. Step 2: Convert to fraction form
    146,063.66/219,093.20 = 74,945.25/x
  3. Step 3: Cross multiply
    146,063.66x = 219,093.20 × 74,945.25
  4. Step 4: Simplify right side
    146,063.66x = 16,419,994,553.62
  5. Step 5: Solve for x
    x = 16,419,994,553.62/146,063.66
  6. Step 6: Final answer
    x = 112,416.70

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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.