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Finding the Fourth Proportional to 222,520.50, 333,770.22 and 72,741.78

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Solution

The fourth proportional to 222,520.50, 333,770.22 and 72,741.78 is: 109,109.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,520.50 : 333,770.22 = 72,741.78 : x
  2. Step 2: Convert to fraction form
    222,520.50/333,770.22 = 72,741.78/x
  3. Step 3: Cross multiply
    222,520.50x = 333,770.22 × 72,741.78
  4. Step 4: Simplify right side
    222,520.50x = 24,279,039,913.79
  5. Step 5: Solve for x
    x = 24,279,039,913.79/222,520.50
  6. Step 6: Final answer
    x = 109,109.23

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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.