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Finding the Fourth Proportional to 269,435.42, 404,237.01 and 79,896.79

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Solution

The fourth proportional to 269,435.42, 404,237.01 and 79,896.79 is: 119,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,435.42 : 404,237.01 = 79,896.79 : x
  2. Step 2: Convert to fraction form
    269,435.42/404,237.01 = 79,896.79/x
  3. Step 3: Cross multiply
    269,435.42x = 404,237.01 × 79,896.79
  4. Step 4: Simplify right side
    269,435.42x = 32,297,238,487.61
  5. Step 5: Solve for x
    x = 32,297,238,487.61/269,435.42
  6. Step 6: Final answer
    x = 119,870.06

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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.