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Finding the Fourth Proportional to 451,606.88, 677,400.60 and 136,056.80

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Solution

The fourth proportional to 451,606.88, 677,400.60 and 136,056.80 is: 204,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,606.88 : 677,400.60 = 136,056.80 : x
  2. Step 2: Convert to fraction form
    451,606.88/677,400.60 = 136,056.80/x
  3. Step 3: Cross multiply
    451,606.88x = 677,400.60 × 136,056.80
  4. Step 4: Simplify right side
    451,606.88x = 92,164,957,954.08
  5. Step 5: Solve for x
    x = 92,164,957,954.08/451,606.88
  6. Step 6: Final answer
    x = 204,082.27

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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.