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Finding the Fourth Proportional to 136,360.67, 204,568.74 and 57,474.77

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Solution

The fourth proportional to 136,360.67, 204,568.74 and 57,474.77 is: 86,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,360.67 : 204,568.74 = 57,474.77 : x
  2. Step 2: Convert to fraction form
    136,360.67/204,568.74 = 57,474.77/x
  3. Step 3: Cross multiply
    136,360.67x = 204,568.74 × 57,474.77
  4. Step 4: Simplify right side
    136,360.67x = 11,757,540,257.85
  5. Step 5: Solve for x
    x = 11,757,540,257.85/136,360.67
  6. Step 6: Final answer
    x = 86,223.84

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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.