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Finding the Fourth Proportional to 85,098.83, 127,653.04 and 25,936.43

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Solution

The fourth proportional to 85,098.83, 127,653.04 and 25,936.43 is: 38,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,098.83 : 127,653.04 = 25,936.43 : x
  2. Step 2: Convert to fraction form
    85,098.83/127,653.04 = 25,936.43/x
  3. Step 3: Cross multiply
    85,098.83x = 127,653.04 × 25,936.43
  4. Step 4: Simplify right side
    85,098.83x = 3,310,864,136.25
  5. Step 5: Solve for x
    x = 3,310,864,136.25/85,098.83
  6. Step 6: Final answer
    x = 38,906.11

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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.