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Finding the Fourth Proportional to 194,057.80, 267,780.72 and 109,173.04

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Solution

The fourth proportional to 194,057.80, 267,780.72 and 109,173.04 is: 150,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,057.80 : 267,780.72 = 109,173.04 : x
  2. Step 2: Convert to fraction form
    194,057.80/267,780.72 = 109,173.04/x
  3. Step 3: Cross multiply
    194,057.80x = 267,780.72 × 109,173.04
  4. Step 4: Simplify right side
    194,057.80x = 29,234,435,255.79
  5. Step 5: Solve for x
    x = 29,234,435,255.79/194,057.80
  6. Step 6: Final answer
    x = 150,648.08

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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.