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Finding the Fourth Proportional to 133,793.18, 200,723.21 and 94,427.18

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Solution

The fourth proportional to 133,793.18, 200,723.21 and 94,427.18 is: 141,664.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,793.18 : 200,723.21 = 94,427.18 : x
  2. Step 2: Convert to fraction form
    133,793.18/200,723.21 = 94,427.18/x
  3. Step 3: Cross multiply
    133,793.18x = 200,723.21 × 94,427.18
  4. Step 4: Simplify right side
    133,793.18x = 18,953,726,680.85
  5. Step 5: Solve for x
    x = 18,953,726,680.85/133,793.18
  6. Step 6: Final answer
    x = 141,664.37

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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.