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Finding the Fourth Proportional to 269,835.59, 404,679.46 and 101,342.87

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Solution

The fourth proportional to 269,835.59, 404,679.46 and 101,342.87 is: 151,986.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,835.59 : 404,679.46 = 101,342.87 : x
  2. Step 2: Convert to fraction form
    269,835.59/404,679.46 = 101,342.87/x
  3. Step 3: Cross multiply
    269,835.59x = 404,679.46 × 101,342.87
  4. Step 4: Simplify right side
    269,835.59x = 41,011,377,906.45
  5. Step 5: Solve for x
    x = 41,011,377,906.45/269,835.59
  6. Step 6: Final answer
    x = 151,986.54

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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.