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Finding the Fourth Proportional to 194,000.67, 267,719.72 and 109,118.61

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Solution

The fourth proportional to 194,000.67, 267,719.72 and 109,118.61 is: 150,583.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,000.67 : 267,719.72 = 109,118.61 : x
  2. Step 2: Convert to fraction form
    194,000.67/267,719.72 = 109,118.61/x
  3. Step 3: Cross multiply
    194,000.67x = 267,719.72 × 109,118.61
  4. Step 4: Simplify right side
    194,000.67x = 29,213,203,170.40
  5. Step 5: Solve for x
    x = 29,213,203,170.40/194,000.67
  6. Step 6: Final answer
    x = 150,583.00

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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.