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Finding the Fourth Proportional to 69,446.73, 103,942.80 and 37,777.71

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Solution

The fourth proportional to 69,446.73, 103,942.80 and 37,777.71 is: 56,542.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,446.73 : 103,942.80 = 37,777.71 : x
  2. Step 2: Convert to fraction form
    69,446.73/103,942.80 = 37,777.71/x
  3. Step 3: Cross multiply
    69,446.73x = 103,942.80 × 37,777.71
  4. Step 4: Simplify right side
    69,446.73x = 3,926,720,954.99
  5. Step 5: Solve for x
    x = 3,926,720,954.99/69,446.73
  6. Step 6: Final answer
    x = 56,542.92

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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.