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Finding the Fourth Proportional to 101,885.82, 140,744.19 and 96,903.54

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Solution

The fourth proportional to 101,885.82, 140,744.19 and 96,903.54 is: 133,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,885.82 : 140,744.19 = 96,903.54 : x
  2. Step 2: Convert to fraction form
    101,885.82/140,744.19 = 96,903.54/x
  3. Step 3: Cross multiply
    101,885.82x = 140,744.19 × 96,903.54
  4. Step 4: Simplify right side
    101,885.82x = 13,638,610,245.43
  5. Step 5: Solve for x
    x = 13,638,610,245.43/101,885.82
  6. Step 6: Final answer
    x = 133,861.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.