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Finding the Fourth Proportional to 75,268.77, 103,863.41 and 43,447.92

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Solution

The fourth proportional to 75,268.77, 103,863.41 and 43,447.92 is: 59,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,268.77 : 103,863.41 = 43,447.92 : x
  2. Step 2: Convert to fraction form
    75,268.77/103,863.41 = 43,447.92/x
  3. Step 3: Cross multiply
    75,268.77x = 103,863.41 × 43,447.92
  4. Step 4: Simplify right side
    75,268.77x = 4,512,648,609.29
  5. Step 5: Solve for x
    x = 4,512,648,609.29/75,268.77
  6. Step 6: Final answer
    x = 59,953.80

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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.