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Finding the Fourth Proportional to 75,891.52, 104,728.21 and 41,899.39

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Solution

The fourth proportional to 75,891.52, 104,728.21 and 41,899.39 is: 57,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,891.52 : 104,728.21 = 41,899.39 : x
  2. Step 2: Convert to fraction form
    75,891.52/104,728.21 = 41,899.39/x
  3. Step 3: Cross multiply
    75,891.52x = 104,728.21 × 41,899.39
  4. Step 4: Simplify right side
    75,891.52x = 4,388,047,957.72
  5. Step 5: Solve for x
    x = 4,388,047,957.72/75,891.52
  6. Step 6: Final answer
    x = 57,820.00

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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.