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Finding the Fourth Proportional to 203,940.64, 305,917 and 97,335.84

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Solution

The fourth proportional to 203,940.64, 305,917 and 97,335.84 is: 146,006.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,940.64 : 305,917 = 97,335.84 : x
  2. Step 2: Convert to fraction form
    203,940.64/305,917 = 97,335.84/x
  3. Step 3: Cross multiply
    203,940.64x = 305,917 × 97,335.84
  4. Step 4: Simplify right side
    203,940.64x = 29,776,686,635.70
  5. Step 5: Solve for x
    x = 29,776,686,635.70/203,940.64
  6. Step 6: Final answer
    x = 146,006.64

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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.