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Finding the Fourth Proportional to 108,677.85, 162,958.46 and 33,765.81

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Solution

The fourth proportional to 108,677.85, 162,958.46 and 33,765.81 is: 50,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,677.85 : 162,958.46 = 33,765.81 : x
  2. Step 2: Convert to fraction form
    108,677.85/162,958.46 = 33,765.81/x
  3. Step 3: Cross multiply
    108,677.85x = 162,958.46 × 33,765.81
  4. Step 4: Simplify right side
    108,677.85x = 5,502,424,229.42
  5. Step 5: Solve for x
    x = 5,502,424,229.42/108,677.85
  6. Step 6: Final answer
    x = 50,630.60

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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.