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Finding the Fourth Proportional to 222,735.30, 334,143.45 and 72,933.90

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Solution

The fourth proportional to 222,735.30, 334,143.45 and 72,933.90 is: 109,414.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,735.30 : 334,143.45 = 72,933.90 : x
  2. Step 2: Convert to fraction form
    222,735.30/334,143.45 = 72,933.90/x
  3. Step 3: Cross multiply
    222,735.30x = 334,143.45 × 72,933.90
  4. Step 4: Simplify right side
    222,735.30x = 24,370,384,967.96
  5. Step 5: Solve for x
    x = 24,370,384,967.96/222,735.30
  6. Step 6: Final answer
    x = 109,414.11

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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.