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Finding the Fourth Proportional to 88,314.56, 121,874.56 and 48,028.64

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Solution

The fourth proportional to 88,314.56, 121,874.56 and 48,028.64 is: 66,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,314.56 : 121,874.56 = 48,028.64 : x
  2. Step 2: Convert to fraction form
    88,314.56/121,874.56 = 48,028.64/x
  3. Step 3: Cross multiply
    88,314.56x = 121,874.56 × 48,028.64
  4. Step 4: Simplify right side
    88,314.56x = 5,853,469,367.40
  5. Step 5: Solve for x
    x = 5,853,469,367.40/88,314.56
  6. Step 6: Final answer
    x = 66,279.78

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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.