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Finding the Fourth Proportional to 75,107.64, 103,646.94 and 41,115.24

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Solution

The fourth proportional to 75,107.64, 103,646.94 and 41,115.24 is: 56,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,107.64 : 103,646.94 = 41,115.24 : x
  2. Step 2: Convert to fraction form
    75,107.64/103,646.94 = 41,115.24/x
  3. Step 3: Cross multiply
    75,107.64x = 103,646.94 × 41,115.24
  4. Step 4: Simplify right side
    75,107.64x = 4,261,468,813.37
  5. Step 5: Solve for x
    x = 4,261,468,813.37/75,107.64
  6. Step 6: Final answer
    x = 56,738.15

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