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Finding the Fourth Proportional to 101,736.96, 140,395.52 and 59,299.84

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Solution

The fourth proportional to 101,736.96, 140,395.52 and 59,299.84 is: 81,832.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,736.96 : 140,395.52 = 59,299.84 : x
  2. Step 2: Convert to fraction form
    101,736.96/140,395.52 = 59,299.84/x
  3. Step 3: Cross multiply
    101,736.96x = 140,395.52 × 59,299.84
  4. Step 4: Simplify right side
    101,736.96x = 8,325,431,872.72
  5. Step 5: Solve for x
    x = 8,325,431,872.72/101,736.96
  6. Step 6: Final answer
    x = 81,832.91

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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.