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Finding the Fourth Proportional to 101,999.25, 140,752.08 and 61,735.37

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Solution

The fourth proportional to 101,999.25, 140,752.08 and 61,735.37 is: 85,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,999.25 : 140,752.08 = 61,735.37 : x
  2. Step 2: Convert to fraction form
    101,999.25/140,752.08 = 61,735.37/x
  3. Step 3: Cross multiply
    101,999.25x = 140,752.08 × 61,735.37
  4. Step 4: Simplify right side
    101,999.25x = 8,689,381,033.31
  5. Step 5: Solve for x
    x = 8,689,381,033.31/101,999.25
  6. Step 6: Final answer
    x = 85,190.64

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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.