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Finding the Fourth Proportional to 122,084.66, 168,468.48 and 67,634.96

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Solution

The fourth proportional to 122,084.66, 168,468.48 and 67,634.96 is: 93,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,084.66 : 168,468.48 = 67,634.96 : x
  2. Step 2: Convert to fraction form
    122,084.66/168,468.48 = 67,634.96/x
  3. Step 3: Cross multiply
    122,084.66x = 168,468.48 × 67,634.96
  4. Step 4: Simplify right side
    122,084.66x = 11,394,358,906.06
  5. Step 5: Solve for x
    x = 11,394,358,906.06/122,084.66
  6. Step 6: Final answer
    x = 93,331.62

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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.