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Finding the Fourth Proportional to 217,755.98, 326,676.09 and 75,606.38

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Solution

The fourth proportional to 217,755.98, 326,676.09 and 75,606.38 is: 113,424.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,755.98 : 326,676.09 = 75,606.38 : x
  2. Step 2: Convert to fraction form
    217,755.98/326,676.09 = 75,606.38/x
  3. Step 3: Cross multiply
    217,755.98x = 326,676.09 × 75,606.38
  4. Step 4: Simplify right side
    217,755.98x = 24,698,796,597.45
  5. Step 5: Solve for x
    x = 24,698,796,597.45/217,755.98
  6. Step 6: Final answer
    x = 113,424.19

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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.