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Finding the Fourth Proportional to 101,383.44, 139,906.66 and 56,060.25

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Solution

The fourth proportional to 101,383.44, 139,906.66 and 56,060.25 is: 77,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,383.44 : 139,906.66 = 56,060.25 : x
  2. Step 2: Convert to fraction form
    101,383.44/139,906.66 = 56,060.25/x
  3. Step 3: Cross multiply
    101,383.44x = 139,906.66 × 56,060.25
  4. Step 4: Simplify right side
    101,383.44x = 7,843,202,336.27
  5. Step 5: Solve for x
    x = 7,843,202,336.27/101,383.44
  6. Step 6: Final answer
    x = 77,361.77

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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.