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Finding the Fourth Proportional to 222,517.96, 333,851.44 and 72,765.16

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Solution

The fourth proportional to 222,517.96, 333,851.44 and 72,765.16 is: 109,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,517.96 : 333,851.44 = 72,765.16 : x
  2. Step 2: Convert to fraction form
    222,517.96/333,851.44 = 72,765.16/x
  3. Step 3: Cross multiply
    222,517.96x = 333,851.44 × 72,765.16
  4. Step 4: Simplify right side
    222,517.96x = 24,292,753,447.83
  5. Step 5: Solve for x
    x = 24,292,753,447.83/222,517.96
  6. Step 6: Final answer
    x = 109,172.10

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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.