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Finding the Fourth Proportional to 88,763.97, 122,505.90 and 50,516.10

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Solution

The fourth proportional to 88,763.97, 122,505.90 and 50,516.10 is: 69,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,763.97 : 122,505.90 = 50,516.10 : x
  2. Step 2: Convert to fraction form
    88,763.97/122,505.90 = 50,516.10/x
  3. Step 3: Cross multiply
    88,763.97x = 122,505.90 × 50,516.10
  4. Step 4: Simplify right side
    88,763.97x = 6,188,520,294.99
  5. Step 5: Solve for x
    x = 6,188,520,294.99/88,763.97
  6. Step 6: Final answer
    x = 69,718.83

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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.