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Finding the Fourth Proportional to 222,489.31, 333,855.47 and 94,385.80

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Solution

The fourth proportional to 222,489.31, 333,855.47 and 94,385.80 is: 141,630.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,489.31 : 333,855.47 = 94,385.80 : x
  2. Step 2: Convert to fraction form
    222,489.31/333,855.47 = 94,385.80/x
  3. Step 3: Cross multiply
    222,489.31x = 333,855.47 × 94,385.80
  4. Step 4: Simplify right side
    222,489.31x = 31,511,215,620.33
  5. Step 5: Solve for x
    x = 31,511,215,620.33/222,489.31
  6. Step 6: Final answer
    x = 141,630.25

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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.