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Finding the Fourth Proportional to 119,321.32, 178,933.02 and 44,446.44

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Solution

The fourth proportional to 119,321.32, 178,933.02 and 44,446.44 is: 66,651.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,321.32 : 178,933.02 = 44,446.44 : x
  2. Step 2: Convert to fraction form
    119,321.32/178,933.02 = 44,446.44/x
  3. Step 3: Cross multiply
    119,321.32x = 178,933.02 × 44,446.44
  4. Step 4: Simplify right side
    119,321.32x = 7,952,935,737.45
  5. Step 5: Solve for x
    x = 7,952,935,737.45/119,321.32
  6. Step 6: Final answer
    x = 66,651.42

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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.