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Finding the Fourth Proportional to 108,454.40, 162,676.80 and 29,568.64

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Solution

The fourth proportional to 108,454.40, 162,676.80 and 29,568.64 is: 44,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,454.40 : 162,676.80 = 29,568.64 : x
  2. Step 2: Convert to fraction form
    108,454.40/162,676.80 = 29,568.64/x
  3. Step 3: Cross multiply
    108,454.40x = 162,676.80 × 29,568.64
  4. Step 4: Simplify right side
    108,454.40x = 4,810,131,735.55
  5. Step 5: Solve for x
    x = 4,810,131,735.55/108,454.40
  6. Step 6: Final answer
    x = 44,351.65

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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.