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Finding the Fourth Proportional to 222,230.43, 333,356.40 and 72,470.57

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Solution

The fourth proportional to 222,230.43, 333,356.40 and 72,470.57 is: 108,709.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,230.43 : 333,356.40 = 72,470.57 : x
  2. Step 2: Convert to fraction form
    222,230.43/333,356.40 = 72,470.57/x
  3. Step 3: Cross multiply
    222,230.43x = 333,356.40 × 72,470.57
  4. Step 4: Simplify right side
    222,230.43x = 24,158,526,654.37
  5. Step 5: Solve for x
    x = 24,158,526,654.37/222,230.43
  6. Step 6: Final answer
    x = 108,709.35

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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.