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Finding the Fourth Proportional to 194,102.60, 267,859.86 and 109,217.96

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Solution

The fourth proportional to 194,102.60, 267,859.86 and 109,217.96 is: 150,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,102.60 : 267,859.86 = 109,217.96 : x
  2. Step 2: Convert to fraction form
    194,102.60/267,859.86 = 109,217.96/x
  3. Step 3: Cross multiply
    194,102.60x = 267,859.86 × 109,217.96
  4. Step 4: Simplify right side
    194,102.60x = 29,255,107,475.09
  5. Step 5: Solve for x
    x = 29,255,107,475.09/194,102.60
  6. Step 6: Final answer
    x = 150,719.81

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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.