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Finding the Fourth Proportional to 89,794.92, 123,913.98 and 49,508.04

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Solution

The fourth proportional to 89,794.92, 123,913.98 and 49,508.04 is: 68,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,794.92 : 123,913.98 = 49,508.04 : x
  2. Step 2: Convert to fraction form
    89,794.92/123,913.98 = 49,508.04/x
  3. Step 3: Cross multiply
    89,794.92x = 123,913.98 × 49,508.04
  4. Step 4: Simplify right side
    89,794.92x = 6,134,738,278.40
  5. Step 5: Solve for x
    x = 6,134,738,278.40/89,794.92
  6. Step 6: Final answer
    x = 68,319.44

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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.