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Finding the Fourth Proportional to 120,537.09, 166,307.45 and 94,964.09

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Solution

The fourth proportional to 120,537.09, 166,307.45 and 94,964.09 is: 131,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,537.09 : 166,307.45 = 94,964.09 : x
  2. Step 2: Convert to fraction form
    120,537.09/166,307.45 = 94,964.09/x
  3. Step 3: Cross multiply
    120,537.09x = 166,307.45 × 94,964.09
  4. Step 4: Simplify right side
    120,537.09x = 15,793,234,343.11
  5. Step 5: Solve for x
    x = 15,793,234,343.11/120,537.09
  6. Step 6: Final answer
    x = 131,023.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.