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Finding the Fourth Proportional to 222,243.63, 333,402.17 and 72,440.43

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Solution

The fourth proportional to 222,243.63, 333,402.17 and 72,440.43 is: 108,672.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,243.63 : 333,402.17 = 72,440.43 : x
  2. Step 2: Convert to fraction form
    222,243.63/333,402.17 = 72,440.43/x
  3. Step 3: Cross multiply
    222,243.63x = 333,402.17 × 72,440.43
  4. Step 4: Simplify right side
    222,243.63x = 24,151,796,195.53
  5. Step 5: Solve for x
    x = 24,151,796,195.53/222,243.63
  6. Step 6: Final answer
    x = 108,672.61

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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.