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Finding the Fourth Proportional to 73,157.43, 109,739.97 and 23,241.45

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Solution

The fourth proportional to 73,157.43, 109,739.97 and 23,241.45 is: 34,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,157.43 : 109,739.97 = 23,241.45 : x
  2. Step 2: Convert to fraction form
    73,157.43/109,739.97 = 23,241.45/x
  3. Step 3: Cross multiply
    73,157.43x = 109,739.97 × 23,241.45
  4. Step 4: Simplify right side
    73,157.43x = 2,550,516,025.76
  5. Step 5: Solve for x
    x = 2,550,516,025.76/73,157.43
  6. Step 6: Final answer
    x = 34,863.39

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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.