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Finding the Fourth Proportional to 222,947.48, 334,420.31 and 80,759.48

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Solution

The fourth proportional to 222,947.48, 334,420.31 and 80,759.48 is: 121,138.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,947.48 : 334,420.31 = 80,759.48 : x
  2. Step 2: Convert to fraction form
    222,947.48/334,420.31 = 80,759.48/x
  3. Step 3: Cross multiply
    222,947.48x = 334,420.31 × 80,759.48
  4. Step 4: Simplify right side
    222,947.48x = 27,007,610,337.04
  5. Step 5: Solve for x
    x = 27,007,610,337.04/222,947.48
  6. Step 6: Final answer
    x = 121,138.89

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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.