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Finding the Fourth Proportional to 101,836.44, 140,539.86 and 61,550.01

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Solution

The fourth proportional to 101,836.44, 140,539.86 and 61,550.01 is: 84,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,836.44 : 140,539.86 = 61,550.01 : x
  2. Step 2: Convert to fraction form
    101,836.44/140,539.86 = 61,550.01/x
  3. Step 3: Cross multiply
    101,836.44x = 140,539.86 × 61,550.01
  4. Step 4: Simplify right side
    101,836.44x = 8,650,229,788.40
  5. Step 5: Solve for x
    x = 8,650,229,788.40/101,836.44
  6. Step 6: Final answer
    x = 84,942.38

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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.