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Finding the Fourth Proportional to 101,157.28, 151,736.24 and 34,645.44

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Solution

The fourth proportional to 101,157.28, 151,736.24 and 34,645.44 is: 51,968.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,157.28 : 151,736.24 = 34,645.44 : x
  2. Step 2: Convert to fraction form
    101,157.28/151,736.24 = 34,645.44/x
  3. Step 3: Cross multiply
    101,157.28x = 151,736.24 × 34,645.44
  4. Step 4: Simplify right side
    101,157.28x = 5,256,968,798.75
  5. Step 5: Solve for x
    x = 5,256,968,798.75/101,157.28
  6. Step 6: Final answer
    x = 51,968.27

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Why These Related Problems?

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