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Finding the Fourth Proportional to 133,665.35, 200,481.23 and 43,700.54

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Solution

The fourth proportional to 133,665.35, 200,481.23 and 43,700.54 is: 65,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,665.35 : 200,481.23 = 43,700.54 : x
  2. Step 2: Convert to fraction form
    133,665.35/200,481.23 = 43,700.54/x
  3. Step 3: Cross multiply
    133,665.35x = 200,481.23 × 43,700.54
  4. Step 4: Simplify right side
    133,665.35x = 8,761,137,117.71
  5. Step 5: Solve for x
    x = 8,761,137,117.71/133,665.35
  6. Step 6: Final answer
    x = 65,545.31

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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.