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Finding the Fourth Proportional to 136,571.57, 204,850.06 and 52,372.07

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Solution

The fourth proportional to 136,571.57, 204,850.06 and 52,372.07 is: 78,555.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,571.57 : 204,850.06 = 52,372.07 : x
  2. Step 2: Convert to fraction form
    136,571.57/204,850.06 = 52,372.07/x
  3. Step 3: Cross multiply
    136,571.57x = 204,850.06 × 52,372.07
  4. Step 4: Simplify right side
    136,571.57x = 10,728,420,526.64
  5. Step 5: Solve for x
    x = 10,728,420,526.64/136,571.57
  6. Step 6: Final answer
    x = 78,555.30

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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.