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Finding the Fourth Proportional to 111,394.71, 166,974.89 and 36,495.36

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Solution

The fourth proportional to 111,394.71, 166,974.89 and 36,495.36 is: 54,704.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,394.71 : 166,974.89 = 36,495.36 : x
  2. Step 2: Convert to fraction form
    111,394.71/166,974.89 = 36,495.36/x
  3. Step 3: Cross multiply
    111,394.71x = 166,974.89 × 36,495.36
  4. Step 4: Simplify right side
    111,394.71x = 6,093,808,539.03
  5. Step 5: Solve for x
    x = 6,093,808,539.03/111,394.71
  6. Step 6: Final answer
    x = 54,704.65

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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.