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Finding the Fourth Proportional to 222,759.40, 334,139.10 and 166,990.90

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Solution

The fourth proportional to 222,759.40, 334,139.10 and 166,990.90 is: 250,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,759.40 : 334,139.10 = 166,990.90 : x
  2. Step 2: Convert to fraction form
    222,759.40/334,139.10 = 166,990.90/x
  3. Step 3: Cross multiply
    222,759.40x = 334,139.10 × 166,990.90
  4. Step 4: Simplify right side
    222,759.40x = 55,798,189,034.19
  5. Step 5: Solve for x
    x = 55,798,189,034.19/222,759.40
  6. Step 6: Final answer
    x = 250,486.35

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Similar ratio
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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.