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Finding the Fourth Proportional to 264,611.38, 396,922.35 and 84,731.12

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Solution

The fourth proportional to 264,611.38, 396,922.35 and 84,731.12 is: 127,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,611.38 : 396,922.35 = 84,731.12 : x
  2. Step 2: Convert to fraction form
    264,611.38/396,922.35 = 84,731.12/x
  3. Step 3: Cross multiply
    264,611.38x = 396,922.35 × 84,731.12
  4. Step 4: Simplify right side
    264,611.38x = 33,631,675,268.53
  5. Step 5: Solve for x
    x = 33,631,675,268.53/264,611.38
  6. Step 6: Final answer
    x = 127,098.37

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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.