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Finding the Fourth Proportional to 222,755.40, 334,133.10 and 166,986.90

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Solution

The fourth proportional to 222,755.40, 334,133.10 and 166,986.90 is: 250,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,755.40 : 334,133.10 = 166,986.90 : x
  2. Step 2: Convert to fraction form
    222,755.40/334,133.10 = 166,986.90/x
  3. Step 3: Cross multiply
    222,755.40x = 334,133.10 × 166,986.90
  4. Step 4: Simplify right side
    222,755.40x = 55,795,850,556.39
  5. Step 5: Solve for x
    x = 55,795,850,556.39/222,755.40
  6. Step 6: Final answer
    x = 250,480.35

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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.