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Finding the Fourth Proportional to 80,028.84, 120,118.59 and 40,614.24

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Solution

The fourth proportional to 80,028.84, 120,118.59 and 40,614.24 is: 60,959.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,028.84 : 120,118.59 = 40,614.24 : x
  2. Step 2: Convert to fraction form
    80,028.84/120,118.59 = 40,614.24/x
  3. Step 3: Cross multiply
    80,028.84x = 120,118.59 × 40,614.24
  4. Step 4: Simplify right side
    80,028.84x = 4,878,525,242.72
  5. Step 5: Solve for x
    x = 4,878,525,242.72/80,028.84
  6. Step 6: Final answer
    x = 60,959.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.