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Finding the Fourth Proportional to 222,077.80, 333,375.90 and 127,383.40

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Solution

The fourth proportional to 222,077.80, 333,375.90 and 127,383.40 is: 191,223.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,077.80 : 333,375.90 = 127,383.40 : x
  2. Step 2: Convert to fraction form
    222,077.80/333,375.90 = 127,383.40/x
  3. Step 3: Cross multiply
    222,077.80x = 333,375.90 × 127,383.40
  4. Step 4: Simplify right side
    222,077.80x = 42,466,555,620.06
  5. Step 5: Solve for x
    x = 42,466,555,620.06/222,077.80
  6. Step 6: Final answer
    x = 191,223.78

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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.