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Finding the Fourth Proportional to 91,694.97, 137,563.11 and 32,530.55

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Solution

The fourth proportional to 91,694.97, 137,563.11 and 32,530.55 is: 48,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,694.97 : 137,563.11 = 32,530.55 : x
  2. Step 2: Convert to fraction form
    91,694.97/137,563.11 = 32,530.55/x
  3. Step 3: Cross multiply
    91,694.97x = 137,563.11 × 32,530.55
  4. Step 4: Simplify right side
    91,694.97x = 4,475,002,940.19
  5. Step 5: Solve for x
    x = 4,475,002,940.19/91,694.97
  6. Step 6: Final answer
    x = 48,803.15

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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.