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Finding the Fourth Proportional to 194,181.01, 267,952.71 and 108,133.49

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Solution

The fourth proportional to 194,181.01, 267,952.71 and 108,133.49 is: 149,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,181.01 : 267,952.71 = 108,133.49 : x
  2. Step 2: Convert to fraction form
    194,181.01/267,952.71 = 108,133.49/x
  3. Step 3: Cross multiply
    194,181.01x = 267,952.71 × 108,133.49
  4. Step 4: Simplify right side
    194,181.01x = 28,974,661,687.26
  5. Step 5: Solve for x
    x = 28,974,661,687.26/194,181.01
  6. Step 6: Final answer
    x = 149,214.70

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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.