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Finding the Fourth Proportional to 194,094.67, 267,955.78 and 136,129.42

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Solution

The fourth proportional to 194,094.67, 267,955.78 and 136,129.42 is: 187,932.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,094.67 : 267,955.78 = 136,129.42 : x
  2. Step 2: Convert to fraction form
    194,094.67/267,955.78 = 136,129.42/x
  3. Step 3: Cross multiply
    194,094.67x = 267,955.78 × 136,129.42
  4. Step 4: Simplify right side
    194,094.67x = 36,476,664,917.05
  5. Step 5: Solve for x
    x = 36,476,664,917.05/194,094.67
  6. Step 6: Final answer
    x = 187,932.34

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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.