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Finding the Fourth Proportional to 108,318.54, 162,481.12 and 29,434.44

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Solution

The fourth proportional to 108,318.54, 162,481.12 and 29,434.44 is: 44,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,318.54 : 162,481.12 = 29,434.44 : x
  2. Step 2: Convert to fraction form
    108,318.54/162,481.12 = 29,434.44/x
  3. Step 3: Cross multiply
    108,318.54x = 162,481.12 × 29,434.44
  4. Step 4: Simplify right side
    108,318.54x = 4,782,540,777.77
  5. Step 5: Solve for x
    x = 4,782,540,777.77/108,318.54
  6. Step 6: Final answer
    x = 44,152.56

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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.