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Finding the Fourth Proportional to 108,636.96, 162,960.30 and 29,749.44

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Solution

The fourth proportional to 108,636.96, 162,960.30 and 29,749.44 is: 44,625.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,636.96 : 162,960.30 = 29,749.44 : x
  2. Step 2: Convert to fraction form
    108,636.96/162,960.30 = 29,749.44/x
  3. Step 3: Cross multiply
    108,636.96x = 162,960.30 × 29,749.44
  4. Step 4: Simplify right side
    108,636.96x = 4,847,977,667.23
  5. Step 5: Solve for x
    x = 4,847,977,667.23/108,636.96
  6. Step 6: Final answer
    x = 44,625.49

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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.