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Finding the Fourth Proportional to 89,048.62, 133,622.12 and 49,627.95

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Solution

The fourth proportional to 89,048.62, 133,622.12 and 49,627.95 is: 74,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048.62 : 133,622.12 = 49,627.95 : x
  2. Step 2: Convert to fraction form
    89,048.62/133,622.12 = 49,627.95/x
  3. Step 3: Cross multiply
    89,048.62x = 133,622.12 × 49,627.95
  4. Step 4: Simplify right side
    89,048.62x = 6,631,390,974.00
  5. Step 5: Solve for x
    x = 6,631,390,974.00/89,048.62
  6. Step 6: Final answer
    x = 74,469.33

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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.