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Finding the Fourth Proportional to 75,697.38, 104,467.05 and 42,163.38

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Solution

The fourth proportional to 75,697.38, 104,467.05 and 42,163.38 is: 58,188.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,697.38 : 104,467.05 = 42,163.38 : x
  2. Step 2: Convert to fraction form
    75,697.38/104,467.05 = 42,163.38/x
  3. Step 3: Cross multiply
    75,697.38x = 104,467.05 × 42,163.38
  4. Step 4: Simplify right side
    75,697.38x = 4,404,683,926.63
  5. Step 5: Solve for x
    x = 4,404,683,926.63/75,697.38
  6. Step 6: Final answer
    x = 58,188.06

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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.