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Finding the Fourth Proportional to 222,004.70, 333,010.20 and 72,245.78

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Solution

The fourth proportional to 222,004.70, 333,010.20 and 72,245.78 is: 108,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,004.70 : 333,010.20 = 72,245.78 : x
  2. Step 2: Convert to fraction form
    222,004.70/333,010.20 = 72,245.78/x
  3. Step 3: Cross multiply
    222,004.70x = 333,010.20 × 72,245.78
  4. Step 4: Simplify right side
    222,004.70x = 24,058,581,646.96
  5. Step 5: Solve for x
    x = 24,058,581,646.96/222,004.70
  6. Step 6: Final answer
    x = 108,369.70

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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.