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Finding the Fourth Proportional to 136,379.53, 204,597.24 and 57,493.90

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Solution

The fourth proportional to 136,379.53, 204,597.24 and 57,493.90 is: 86,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,379.53 : 204,597.24 = 57,493.90 : x
  2. Step 2: Convert to fraction form
    136,379.53/204,597.24 = 57,493.90/x
  3. Step 3: Cross multiply
    136,379.53x = 204,597.24 × 57,493.90
  4. Step 4: Simplify right side
    136,379.53x = 11,763,093,256.84
  5. Step 5: Solve for x
    x = 11,763,093,256.84/136,379.53
  6. Step 6: Final answer
    x = 86,252.63

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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.