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Finding the Fourth Proportional to 136,087.44, 203,923.28 and 57,158.88

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Solution

The fourth proportional to 136,087.44, 203,923.28 and 57,158.88 is: 85,651.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,087.44 : 203,923.28 = 57,158.88 : x
  2. Step 2: Convert to fraction form
    136,087.44/203,923.28 = 57,158.88/x
  3. Step 3: Cross multiply
    136,087.44x = 203,923.28 × 57,158.88
  4. Step 4: Simplify right side
    136,087.44x = 11,656,026,290.73
  5. Step 5: Solve for x
    x = 11,656,026,290.73/136,087.44
  6. Step 6: Final answer
    x = 85,651.01

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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.