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Finding the Fourth Proportional to 222,184.48, 333,308.36 and 81,932.20

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Solution

The fourth proportional to 222,184.48, 333,308.36 and 81,932.20 is: 122,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,184.48 : 333,308.36 = 81,932.20 : x
  2. Step 2: Convert to fraction form
    222,184.48/333,308.36 = 81,932.20/x
  3. Step 3: Cross multiply
    222,184.48x = 333,308.36 × 81,932.20
  4. Step 4: Simplify right side
    222,184.48x = 27,308,687,213.19
  5. Step 5: Solve for x
    x = 27,308,687,213.19/222,184.48
  6. Step 6: Final answer
    x = 122,909.97

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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.