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Finding the Fourth Proportional to 89,359.88, 133,968.54 and 44,963.80

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Solution

The fourth proportional to 89,359.88, 133,968.54 and 44,963.80 is: 67,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,359.88 : 133,968.54 = 44,963.80 : x
  2. Step 2: Convert to fraction form
    89,359.88/133,968.54 = 44,963.80/x
  3. Step 3: Cross multiply
    89,359.88x = 133,968.54 × 44,963.80
  4. Step 4: Simplify right side
    89,359.88x = 6,023,734,638.85
  5. Step 5: Solve for x
    x = 6,023,734,638.85/89,359.88
  6. Step 6: Final answer
    x = 67,409.83

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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.