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Finding the Fourth Proportional to 222,769.40, 334,149.30 and 148,366.20

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Solution

The fourth proportional to 222,769.40, 334,149.30 and 148,366.20 is: 222,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,769.40 : 334,149.30 = 148,366.20 : x
  2. Step 2: Convert to fraction form
    222,769.40/334,149.30 = 148,366.20/x
  3. Step 3: Cross multiply
    222,769.40x = 334,149.30 × 148,366.20
  4. Step 4: Simplify right side
    222,769.40x = 49,576,461,873.66
  5. Step 5: Solve for x
    x = 49,576,461,873.66/222,769.40
  6. Step 6: Final answer
    x = 222,546.10

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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.