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Finding the Fourth Proportional to 206,676.54, 310,047.30 and 88,348.50

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Solution

The fourth proportional to 206,676.54, 310,047.30 and 88,348.50 is: 132,536.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,676.54 : 310,047.30 = 88,348.50 : x
  2. Step 2: Convert to fraction form
    206,676.54/310,047.30 = 88,348.50/x
  3. Step 3: Cross multiply
    206,676.54x = 310,047.30 × 88,348.50
  4. Step 4: Simplify right side
    206,676.54x = 27,392,213,884.05
  5. Step 5: Solve for x
    x = 27,392,213,884.05/206,676.54
  6. Step 6: Final answer
    x = 132,536.64

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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.