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Finding the Fourth Proportional to 222,153.94, 333,251.16 and 72,355.78

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Solution

The fourth proportional to 222,153.94, 333,251.16 and 72,355.78 is: 108,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,153.94 : 333,251.16 = 72,355.78 : x
  2. Step 2: Convert to fraction form
    222,153.94/333,251.16 = 72,355.78/x
  3. Step 3: Cross multiply
    222,153.94x = 333,251.16 × 72,355.78
  4. Step 4: Simplify right side
    222,153.94x = 24,112,645,589.67
  5. Step 5: Solve for x
    x = 24,112,645,589.67/222,153.94
  6. Step 6: Final answer
    x = 108,540.26

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1.5x scale

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.