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Finding the Fourth Proportional to 101,546.67, 140,090.29 and 61,238.04

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Solution

The fourth proportional to 101,546.67, 140,090.29 and 61,238.04 is: 84,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,546.67 : 140,090.29 = 61,238.04 : x
  2. Step 2: Convert to fraction form
    101,546.67/140,090.29 = 61,238.04/x
  3. Step 3: Cross multiply
    101,546.67x = 140,090.29 × 61,238.04
  4. Step 4: Simplify right side
    101,546.67x = 8,578,854,246.28
  5. Step 5: Solve for x
    x = 8,578,854,246.28/101,546.67
  6. Step 6: Final answer
    x = 84,481.88

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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.