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Finding the Fourth Proportional to 75,482.32, 104,272.20 and 60,474.64

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Solution

The fourth proportional to 75,482.32, 104,272.20 and 60,474.64 is: 83,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,482.32 : 104,272.20 = 60,474.64 : x
  2. Step 2: Convert to fraction form
    75,482.32/104,272.20 = 60,474.64/x
  3. Step 3: Cross multiply
    75,482.32x = 104,272.20 × 60,474.64
  4. Step 4: Simplify right side
    75,482.32x = 6,305,823,757.01
  5. Step 5: Solve for x
    x = 6,305,823,757.01/75,482.32
  6. Step 6: Final answer
    x = 83,540.41

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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.