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Finding the Fourth Proportional to 88,861.58, 122,571.69 and 53,023.94

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Solution

The fourth proportional to 88,861.58, 122,571.69 and 53,023.94 is: 73,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,861.58 : 122,571.69 = 53,023.94 : x
  2. Step 2: Convert to fraction form
    88,861.58/122,571.69 = 53,023.94/x
  3. Step 3: Cross multiply
    88,861.58x = 122,571.69 × 53,023.94
  4. Step 4: Simplify right side
    88,861.58x = 6,499,233,936.26
  5. Step 5: Solve for x
    x = 6,499,233,936.26/88,861.58
  6. Step 6: Final answer
    x = 73,138.85

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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.