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Finding the Fourth Proportional to 122,230.85, 168,678.96 and 67,786.92

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Solution

The fourth proportional to 122,230.85, 168,678.96 and 67,786.92 is: 93,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,230.85 : 168,678.96 = 67,786.92 : x
  2. Step 2: Convert to fraction form
    122,230.85/168,678.96 = 67,786.92/x
  3. Step 3: Cross multiply
    122,230.85x = 168,678.96 × 67,786.92
  4. Step 4: Simplify right side
    122,230.85x = 11,434,227,167.20
  5. Step 5: Solve for x
    x = 11,434,227,167.20/122,230.85
  6. Step 6: Final answer
    x = 93,546.17

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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.