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Finding the Fourth Proportional to 93,817.53, 140,393.87 and 82,745.84

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Solution

The fourth proportional to 93,817.53, 140,393.87 and 82,745.84 is: 123,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,817.53 : 140,393.87 = 82,745.84 : x
  2. Step 2: Convert to fraction form
    93,817.53/140,393.87 = 82,745.84/x
  3. Step 3: Cross multiply
    93,817.53x = 140,393.87 × 82,745.84
  4. Step 4: Simplify right side
    93,817.53x = 11,617,007,588.30
  5. Step 5: Solve for x
    x = 11,617,007,588.30/93,817.53
  6. Step 6: Final answer
    x = 123,825.55

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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.