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Finding the Fourth Proportional to 151,227.20, 226,840.80 and 68,283.20

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Solution

The fourth proportional to 151,227.20, 226,840.80 and 68,283.20 is: 102,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,227.20 : 226,840.80 = 68,283.20 : x
  2. Step 2: Convert to fraction form
    151,227.20/226,840.80 = 68,283.20/x
  3. Step 3: Cross multiply
    151,227.20x = 226,840.80 × 68,283.20
  4. Step 4: Simplify right side
    151,227.20x = 15,489,415,714.56
  5. Step 5: Solve for x
    x = 15,489,415,714.56/151,227.20
  6. Step 6: Final answer
    x = 102,424.80

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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.