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Finding the Fourth Proportional to 69,272.37, 103,720.87 and 35,922.50

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Solution

The fourth proportional to 69,272.37, 103,720.87 and 35,922.50 is: 53,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,272.37 : 103,720.87 = 35,922.50 : x
  2. Step 2: Convert to fraction form
    69,272.37/103,720.87 = 35,922.50/x
  3. Step 3: Cross multiply
    69,272.37x = 103,720.87 × 35,922.50
  4. Step 4: Simplify right side
    69,272.37x = 3,725,912,862.14
  5. Step 5: Solve for x
    x = 3,725,912,862.14/69,272.37
  6. Step 6: Final answer
    x = 53,786.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.