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Finding the Fourth Proportional to 146,807.33, 220,227.62 and 131,721.76

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Solution

The fourth proportional to 146,807.33, 220,227.62 and 131,721.76 is: 197,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,807.33 : 220,227.62 = 131,721.76 : x
  2. Step 2: Convert to fraction form
    146,807.33/220,227.62 = 131,721.76/x
  3. Step 3: Cross multiply
    146,807.33x = 220,227.62 × 131,721.76
  4. Step 4: Simplify right side
    146,807.33x = 29,008,770,311.60
  5. Step 5: Solve for x
    x = 29,008,770,311.60/146,807.33
  6. Step 6: Final answer
    x = 197,597.57

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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.