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Finding the Fourth Proportional to 89,583.69, 123,620.85 and 49,301.22

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Solution

The fourth proportional to 89,583.69, 123,620.85 and 49,301.22 is: 68,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,583.69 : 123,620.85 = 49,301.22 : x
  2. Step 2: Convert to fraction form
    89,583.69/123,620.85 = 49,301.22/x
  3. Step 3: Cross multiply
    89,583.69x = 123,620.85 × 49,301.22
  4. Step 4: Simplify right side
    89,583.69x = 6,094,658,722.44
  5. Step 5: Solve for x
    x = 6,094,658,722.44/89,583.69
  6. Step 6: Final answer
    x = 68,033.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.