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Finding the Fourth Proportional to 75,208.20, 103,787.10 and 41,674.20

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Solution

The fourth proportional to 75,208.20, 103,787.10 and 41,674.20 is: 57,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,208.20 : 103,787.10 = 41,674.20 : x
  2. Step 2: Convert to fraction form
    75,208.20/103,787.10 = 41,674.20/x
  3. Step 3: Cross multiply
    75,208.20x = 103,787.10 × 41,674.20
  4. Step 4: Simplify right side
    75,208.20x = 4,325,244,362.82
  5. Step 5: Solve for x
    x = 4,325,244,362.82/75,208.20
  6. Step 6: Final answer
    x = 57,510.28

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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.