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Finding the Fourth Proportional to 222,605.20, 333,907.80 and 163,556.20

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Solution

The fourth proportional to 222,605.20, 333,907.80 and 163,556.20 is: 245,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,605.20 : 333,907.80 = 163,556.20 : x
  2. Step 2: Convert to fraction form
    222,605.20/333,907.80 = 163,556.20/x
  3. Step 3: Cross multiply
    222,605.20x = 333,907.80 × 163,556.20
  4. Step 4: Simplify right side
    222,605.20x = 54,612,690,918.36
  5. Step 5: Solve for x
    x = 54,612,690,918.36/222,605.20
  6. Step 6: Final answer
    x = 245,334.30

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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.