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Finding the Fourth Proportional to 234,227.70, 323,230.40 and 126,796.79

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Solution

The fourth proportional to 234,227.70, 323,230.40 and 126,796.79 is: 174,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,227.70 : 323,230.40 = 126,796.79 : x
  2. Step 2: Convert to fraction form
    234,227.70/323,230.40 = 126,796.79/x
  3. Step 3: Cross multiply
    234,227.70x = 323,230.40 × 126,796.79
  4. Step 4: Simplify right side
    234,227.70x = 40,984,577,800.00
  5. Step 5: Solve for x
    x = 40,984,577,800.00/234,227.70
  6. Step 6: Final answer
    x = 174,977.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.