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Finding the Fourth Proportional to 133,836.68, 200,404.30 and 94,179.08

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Solution

The fourth proportional to 133,836.68, 200,404.30 and 94,179.08 is: 141,021.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,836.68 : 200,404.30 = 94,179.08 : x
  2. Step 2: Convert to fraction form
    133,836.68/200,404.30 = 94,179.08/x
  3. Step 3: Cross multiply
    133,836.68x = 200,404.30 × 94,179.08
  4. Step 4: Simplify right side
    133,836.68x = 18,873,892,602.04
  5. Step 5: Solve for x
    x = 18,873,892,602.04/133,836.68
  6. Step 6: Final answer
    x = 141,021.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.