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Finding the Fourth Proportional to 73,259.64, 101,100.42 and 41,427.86

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Solution

The fourth proportional to 73,259.64, 101,100.42 and 41,427.86 is: 57,171.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,259.64 : 101,100.42 = 41,427.86 : x
  2. Step 2: Convert to fraction form
    73,259.64/101,100.42 = 41,427.86/x
  3. Step 3: Cross multiply
    73,259.64x = 101,100.42 × 41,427.86
  4. Step 4: Simplify right side
    73,259.64x = 4,188,373,540.20
  5. Step 5: Solve for x
    x = 4,188,373,540.20/73,259.64
  6. Step 6: Final answer
    x = 57,171.64

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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.