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Finding the Fourth Proportional to 108,796.92, 163,241.82 and 61,447.56

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Solution

The fourth proportional to 108,796.92, 163,241.82 and 61,447.56 is: 92,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,796.92 : 163,241.82 = 61,447.56 : x
  2. Step 2: Convert to fraction form
    108,796.92/163,241.82 = 61,447.56/x
  3. Step 3: Cross multiply
    108,796.92x = 163,241.82 × 61,447.56
  4. Step 4: Simplify right side
    108,796.92x = 10,030,811,528.96
  5. Step 5: Solve for x
    x = 10,030,811,528.96/108,796.92
  6. Step 6: Final answer
    x = 92,197.57

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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.