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Finding the Fourth Proportional to 222,020.70, 333,034.20 and 72,261.78

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Solution

The fourth proportional to 222,020.70, 333,034.20 and 72,261.78 is: 108,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,020.70 : 333,034.20 = 72,261.78 : x
  2. Step 2: Convert to fraction form
    222,020.70/333,034.20 = 72,261.78/x
  3. Step 3: Cross multiply
    222,020.70x = 333,034.20 × 72,261.78
  4. Step 4: Simplify right side
    222,020.70x = 24,065,644,092.88
  5. Step 5: Solve for x
    x = 24,065,644,092.88/222,020.70
  6. Step 6: Final answer
    x = 108,393.70

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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.