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Finding the Fourth Proportional to 226,540.64, 339,787.46 and 76,777.04

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Solution

The fourth proportional to 226,540.64, 339,787.46 and 76,777.04 is: 115,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,540.64 : 339,787.46 = 76,777.04 : x
  2. Step 2: Convert to fraction form
    226,540.64/339,787.46 = 76,777.04/x
  3. Step 3: Cross multiply
    226,540.64x = 339,787.46 × 76,777.04
  4. Step 4: Simplify right side
    226,540.64x = 26,087,875,407.92
  5. Step 5: Solve for x
    x = 26,087,875,407.92/226,540.64
  6. Step 6: Final answer
    x = 115,157.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.