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Finding the Fourth Proportional to 222,000.20, 333,000.30 and 127,230.20

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Solution

The fourth proportional to 222,000.20, 333,000.30 and 127,230.20 is: 190,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,000.20 : 333,000.30 = 127,230.20 : x
  2. Step 2: Convert to fraction form
    222,000.20/333,000.30 = 127,230.20/x
  3. Step 3: Cross multiply
    222,000.20x = 333,000.30 × 127,230.20
  4. Step 4: Simplify right side
    222,000.20x = 42,367,694,769.06
  5. Step 5: Solve for x
    x = 42,367,694,769.06/222,000.20
  6. Step 6: Final answer
    x = 190,845.30

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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.