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Finding the Fourth Proportional to 73,261.89, 101,101.44 and 39,727.89

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Solution

The fourth proportional to 73,261.89, 101,101.44 and 39,727.89 is: 54,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,261.89 : 101,101.44 = 39,727.89 : x
  2. Step 2: Convert to fraction form
    73,261.89/101,101.44 = 39,727.89/x
  3. Step 3: Cross multiply
    73,261.89x = 101,101.44 × 39,727.89
  4. Step 4: Simplify right side
    73,261.89x = 4,016,546,887.16
  5. Step 5: Solve for x
    x = 4,016,546,887.16/73,261.89
  6. Step 6: Final answer
    x = 54,824.51

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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.