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Finding the Fourth Proportional to 91,591.84, 137,154.48 and 44,722

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Solution

The fourth proportional to 91,591.84, 137,154.48 and 44,722 is: 66,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,591.84 : 137,154.48 = 44,722 : x
  2. Step 2: Convert to fraction form
    91,591.84/137,154.48 = 44,722/x
  3. Step 3: Cross multiply
    91,591.84x = 137,154.48 × 44,722
  4. Step 4: Simplify right side
    91,591.84x = 6,133,822,654.56
  5. Step 5: Solve for x
    x = 6,133,822,654.56/91,591.84
  6. Step 6: Final answer
    x = 66,969.10

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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.