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Finding the Fourth Proportional to 71,504.94, 107,258.03 and 18,196.97

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Solution

The fourth proportional to 71,504.94, 107,258.03 and 18,196.97 is: 27,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,504.94 : 107,258.03 = 18,196.97 : x
  2. Step 2: Convert to fraction form
    71,504.94/107,258.03 = 18,196.97/x
  3. Step 3: Cross multiply
    71,504.94x = 107,258.03 × 18,196.97
  4. Step 4: Simplify right side
    71,504.94x = 1,951,770,526.89
  5. Step 5: Solve for x
    x = 1,951,770,526.89/71,504.94
  6. Step 6: Final answer
    x = 27,295.60

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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.