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Finding the Fourth Proportional to 238,295.97, 328,847.58 and 130,872.96

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Solution

The fourth proportional to 238,295.97, 328,847.58 and 130,872.96 is: 180,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,295.97 : 328,847.58 = 130,872.96 : x
  2. Step 2: Convert to fraction form
    238,295.97/328,847.58 = 130,872.96/x
  3. Step 3: Cross multiply
    238,295.97x = 328,847.58 × 130,872.96
  4. Step 4: Simplify right side
    238,295.97x = 43,037,256,183.44
  5. Step 5: Solve for x
    x = 43,037,256,183.44/238,295.97
  6. Step 6: Final answer
    x = 180,604.21

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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.