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Finding the Fourth Proportional to 74,876.73, 103,317.66 and 44,245.56

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Solution

The fourth proportional to 74,876.73, 103,317.66 and 44,245.56 is: 61,051.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,876.73 : 103,317.66 = 44,245.56 : x
  2. Step 2: Convert to fraction form
    74,876.73/103,317.66 = 44,245.56/x
  3. Step 3: Cross multiply
    74,876.73x = 103,317.66 × 44,245.56
  4. Step 4: Simplify right side
    74,876.73x = 4,571,347,724.59
  5. Step 5: Solve for x
    x = 4,571,347,724.59/74,876.73
  6. Step 6: Final answer
    x = 61,051.65

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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.