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Finding the Fourth Proportional to 219,977.12, 303,568.62 and 119,375.12

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Solution

The fourth proportional to 219,977.12, 303,568.62 and 119,375.12 is: 164,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,977.12 : 303,568.62 = 119,375.12 : x
  2. Step 2: Convert to fraction form
    219,977.12/303,568.62 = 119,375.12/x
  3. Step 3: Cross multiply
    219,977.12x = 303,568.62 × 119,375.12
  4. Step 4: Simplify right side
    219,977.12x = 36,238,540,440.73
  5. Step 5: Solve for x
    x = 36,238,540,440.73/219,977.12
  6. Step 6: Final answer
    x = 164,737.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.