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Finding the Fourth Proportional to 133,789.87, 200,718.27 and 94,423.87

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Solution

The fourth proportional to 133,789.87, 200,718.27 and 94,423.87 is: 141,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,789.87 : 200,718.27 = 94,423.87 : x
  2. Step 2: Convert to fraction form
    133,789.87/200,718.27 = 94,423.87/x
  3. Step 3: Cross multiply
    133,789.87x = 200,718.27 × 94,423.87
  4. Step 4: Simplify right side
    133,789.87x = 18,952,594,357.39
  5. Step 5: Solve for x
    x = 18,952,594,357.39/133,789.87
  6. Step 6: Final answer
    x = 141,659.42

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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.