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Finding the Fourth Proportional to 240,092.51, 360,193.43 and 82,311.39

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Solution

The fourth proportional to 240,092.51, 360,193.43 and 82,311.39 is: 123,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,092.51 : 360,193.43 = 82,311.39 : x
  2. Step 2: Convert to fraction form
    240,092.51/360,193.43 = 82,311.39/x
  3. Step 3: Cross multiply
    240,092.51x = 360,193.43 × 82,311.39
  4. Step 4: Simplify right side
    240,092.51x = 29,648,022,097.95
  5. Step 5: Solve for x
    x = 29,648,022,097.95/240,092.51
  6. Step 6: Final answer
    x = 123,485.83

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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.