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Finding the Fourth Proportional to 74,797.91, 103,208.42 and 44,582.69

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Solution

The fourth proportional to 74,797.91, 103,208.42 and 44,582.69 is: 61,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,797.91 : 103,208.42 = 44,582.69 : x
  2. Step 2: Convert to fraction form
    74,797.91/103,208.42 = 44,582.69/x
  3. Step 3: Cross multiply
    74,797.91x = 103,208.42 × 44,582.69
  4. Step 4: Simplify right side
    74,797.91x = 4,601,308,589.66
  5. Step 5: Solve for x
    x = 4,601,308,589.66/74,797.91
  6. Step 6: Final answer
    x = 61,516.54

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Why These Related Problems?

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