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Finding the Fourth Proportional to 269,620.44, 404,440.38 and 101,123.70

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Solution

The fourth proportional to 269,620.44, 404,440.38 and 101,123.70 is: 151,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,620.44 : 404,440.38 = 101,123.70 : x
  2. Step 2: Convert to fraction form
    269,620.44/404,440.38 = 101,123.70/x
  3. Step 3: Cross multiply
    269,620.44x = 404,440.38 × 101,123.70
  4. Step 4: Simplify right side
    269,620.44x = 40,898,507,655.01
  5. Step 5: Solve for x
    x = 40,898,507,655.01/269,620.44
  6. Step 6: Final answer
    x = 151,689.20

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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.