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Finding the Fourth Proportional to 100,517.68, 150,753.49 and 60,002.64

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Solution

The fourth proportional to 100,517.68, 150,753.49 and 60,002.64 is: 89,990.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,517.68 : 150,753.49 = 60,002.64 : x
  2. Step 2: Convert to fraction form
    100,517.68/150,753.49 = 60,002.64/x
  3. Step 3: Cross multiply
    100,517.68x = 150,753.49 × 60,002.64
  4. Step 4: Simplify right side
    100,517.68x = 9,045,607,389.21
  5. Step 5: Solve for x
    x = 9,045,607,389.21/100,517.68
  6. Step 6: Final answer
    x = 89,990.21

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Why These Related Problems?

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