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Finding the Fourth Proportional to 264,787.64, 396,876.98 and 122,333.66

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Solution

The fourth proportional to 264,787.64, 396,876.98 and 122,333.66 is: 183,359.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,787.64 : 396,876.98 = 122,333.66 : x
  2. Step 2: Convert to fraction form
    264,787.64/396,876.98 = 122,333.66/x
  3. Step 3: Cross multiply
    264,787.64x = 396,876.98 × 122,333.66
  4. Step 4: Simplify right side
    264,787.64x = 48,551,410,937.09
  5. Step 5: Solve for x
    x = 48,551,410,937.09/264,787.64
  6. Step 6: Final answer
    x = 183,359.81

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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.