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Finding the Fourth Proportional to 108,014.44, 162,021.63 and 29,128.64

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Solution

The fourth proportional to 108,014.44, 162,021.63 and 29,128.64 is: 43,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,014.44 : 162,021.63 = 29,128.64 : x
  2. Step 2: Convert to fraction form
    108,014.44/162,021.63 = 29,128.64/x
  3. Step 3: Cross multiply
    108,014.44x = 162,021.63 × 29,128.64
  4. Step 4: Simplify right side
    108,014.44x = 4,719,469,732.48
  5. Step 5: Solve for x
    x = 4,719,469,732.48/108,014.44
  6. Step 6: Final answer
    x = 43,692.95

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1.5x scale

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.