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Finding the Fourth Proportional to 108,363.62, 162,578.16 and 32,464.64

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Solution

The fourth proportional to 108,363.62, 162,578.16 and 32,464.64 is: 48,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,363.62 : 162,578.16 = 32,464.64 : x
  2. Step 2: Convert to fraction form
    108,363.62/162,578.16 = 32,464.64/x
  3. Step 3: Cross multiply
    108,363.62x = 162,578.16 × 32,464.64
  4. Step 4: Simplify right side
    108,363.62x = 5,278,040,623.37
  5. Step 5: Solve for x
    x = 5,278,040,623.37/108,363.62
  6. Step 6: Final answer
    x = 48,706.76

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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.