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Finding the Fourth Proportional to 146,822.80, 220,234.20 and 134,381.20

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Solution

The fourth proportional to 146,822.80, 220,234.20 and 134,381.20 is: 201,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,822.80 : 220,234.20 = 134,381.20 : x
  2. Step 2: Convert to fraction form
    146,822.80/220,234.20 = 134,381.20/x
  3. Step 3: Cross multiply
    146,822.80x = 220,234.20 × 134,381.20
  4. Step 4: Simplify right side
    146,822.80x = 29,595,336,077.04
  5. Step 5: Solve for x
    x = 29,595,336,077.04/146,822.80
  6. Step 6: Final answer
    x = 201,571.80

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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.