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Finding the Fourth Proportional to 89,843.52, 134,584.85 and 44,728.95

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Solution

The fourth proportional to 89,843.52, 134,584.85 and 44,728.95 is: 67,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,843.52 : 134,584.85 = 44,728.95 : x
  2. Step 2: Convert to fraction form
    89,843.52/134,584.85 = 44,728.95/x
  3. Step 3: Cross multiply
    89,843.52x = 134,584.85 × 44,728.95
  4. Step 4: Simplify right side
    89,843.52x = 6,019,839,138.23
  5. Step 5: Solve for x
    x = 6,019,839,138.23/89,843.52
  6. Step 6: Final answer
    x = 67,003.60

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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.