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Finding the Fourth Proportional to 69,130.44, 103,712.06 and 22,383.32

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Solution

The fourth proportional to 69,130.44, 103,712.06 and 22,383.32 is: 33,580.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,130.44 : 103,712.06 = 22,383.32 : x
  2. Step 2: Convert to fraction form
    69,130.44/103,712.06 = 22,383.32/x
  3. Step 3: Cross multiply
    69,130.44x = 103,712.06 × 22,383.32
  4. Step 4: Simplify right side
    69,130.44x = 2,321,419,764.24
  5. Step 5: Solve for x
    x = 2,321,419,764.24/69,130.44
  6. Step 6: Final answer
    x = 33,580.28

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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.