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Finding the Fourth Proportional to 279,650.94, 418,694.64 and 151,106.64

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Solution

The fourth proportional to 279,650.94, 418,694.64 and 151,106.64 is: 226,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,650.94 : 418,694.64 = 151,106.64 : x
  2. Step 2: Convert to fraction form
    279,650.94/418,694.64 = 151,106.64/x
  3. Step 3: Cross multiply
    279,650.94x = 418,694.64 × 151,106.64
  4. Step 4: Simplify right side
    279,650.94x = 63,267,540,236.41
  5. Step 5: Solve for x
    x = 63,267,540,236.41/279,650.94
  6. Step 6: Final answer
    x = 226,237.54

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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.