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Finding the Fourth Proportional to 151,322.88, 227,082.24 and 68,211.84

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Solution

The fourth proportional to 151,322.88, 227,082.24 and 68,211.84 is: 102,361.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,322.88 : 227,082.24 = 68,211.84 : x
  2. Step 2: Convert to fraction form
    151,322.88/227,082.24 = 68,211.84/x
  3. Step 3: Cross multiply
    151,322.88x = 227,082.24 × 68,211.84
  4. Step 4: Simplify right side
    151,322.88x = 15,489,697,421.72
  5. Step 5: Solve for x
    x = 15,489,697,421.72/151,322.88
  6. Step 6: Final answer
    x = 102,361.90

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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.