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Finding the Fourth Proportional to 91,369.09, 137,048.73 and 29,034.73

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Solution

The fourth proportional to 91,369.09, 137,048.73 and 29,034.73 is: 43,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,369.09 : 137,048.73 = 29,034.73 : x
  2. Step 2: Convert to fraction form
    91,369.09/137,048.73 = 29,034.73/x
  3. Step 3: Cross multiply
    91,369.09x = 137,048.73 × 29,034.73
  4. Step 4: Simplify right side
    91,369.09x = 3,979,172,872.39
  5. Step 5: Solve for x
    x = 3,979,172,872.39/91,369.09
  6. Step 6: Final answer
    x = 43,550.54

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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.