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Finding the Fourth Proportional to 122,227.94, 168,674.91 and 67,783.94

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Solution

The fourth proportional to 122,227.94, 168,674.91 and 67,783.94 is: 93,542.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,227.94 : 168,674.91 = 67,783.94 : x
  2. Step 2: Convert to fraction form
    122,227.94/168,674.91 = 67,783.94/x
  3. Step 3: Cross multiply
    122,227.94x = 168,674.91 × 67,783.94
  4. Step 4: Simplify right side
    122,227.94x = 11,433,449,135.57
  5. Step 5: Solve for x
    x = 11,433,449,135.57/122,227.94
  6. Step 6: Final answer
    x = 93,542.03

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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.