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Finding the Fourth Proportional to 73,266.09, 101,109.11 and 41,439.84

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Solution

The fourth proportional to 73,266.09, 101,109.11 and 41,439.84 is: 57,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,266.09 : 101,109.11 = 41,439.84 : x
  2. Step 2: Convert to fraction form
    73,266.09/101,109.11 = 41,439.84/x
  3. Step 3: Cross multiply
    73,266.09x = 101,109.11 × 41,439.84
  4. Step 4: Simplify right side
    73,266.09x = 4,189,945,133.74
  5. Step 5: Solve for x
    x = 4,189,945,133.74/73,266.09
  6. Step 6: Final answer
    x = 57,188.05

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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.