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Finding the Fourth Proportional to 146,192.70, 219,112.44 and 71,200.44

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Solution

The fourth proportional to 146,192.70, 219,112.44 and 71,200.44 is: 106,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,192.70 : 219,112.44 = 71,200.44 : x
  2. Step 2: Convert to fraction form
    146,192.70/219,112.44 = 71,200.44/x
  3. Step 3: Cross multiply
    146,192.70x = 219,112.44 × 71,200.44
  4. Step 4: Simplify right side
    146,192.70x = 15,600,902,137.47
  5. Step 5: Solve for x
    x = 15,600,902,137.47/146,192.70
  6. Step 6: Final answer
    x = 106,714.65

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1.5x scale

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.