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Finding the Fourth Proportional to 203,771.60, 305,655.96 and 110,867.92

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Solution

The fourth proportional to 203,771.60, 305,655.96 and 110,867.92 is: 166,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,771.60 : 305,655.96 = 110,867.92 : x
  2. Step 2: Convert to fraction form
    203,771.60/305,655.96 = 110,867.92/x
  3. Step 3: Cross multiply
    203,771.60x = 305,655.96 × 110,867.92
  4. Step 4: Simplify right side
    203,771.60x = 33,887,440,520.80
  5. Step 5: Solve for x
    x = 33,887,440,520.80/203,771.60
  6. Step 6: Final answer
    x = 166,301.10

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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.