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Finding the Fourth Proportional to 88,861.87, 122,629.41 and 48,575.81

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Solution

The fourth proportional to 88,861.87, 122,629.41 and 48,575.81 is: 67,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,861.87 : 122,629.41 = 48,575.81 : x
  2. Step 2: Convert to fraction form
    88,861.87/122,629.41 = 48,575.81/x
  3. Step 3: Cross multiply
    88,861.87x = 122,629.41 × 48,575.81
  4. Step 4: Simplify right side
    88,861.87x = 5,956,822,920.57
  5. Step 5: Solve for x
    x = 5,956,822,920.57/88,861.87
  6. Step 6: Final answer
    x = 67,034.63

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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.