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Finding the Fourth Proportional to 88,760.80, 122,489.27 and 48,474.57

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Solution

The fourth proportional to 88,760.80, 122,489.27 and 48,474.57 is: 66,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,760.80 : 122,489.27 = 48,474.57 : x
  2. Step 2: Convert to fraction form
    88,760.80/122,489.27 = 48,474.57/x
  3. Step 3: Cross multiply
    88,760.80x = 122,489.27 × 48,474.57
  4. Step 4: Simplify right side
    88,760.80x = 5,937,614,692.86
  5. Step 5: Solve for x
    x = 5,937,614,692.86/88,760.80
  6. Step 6: Final answer
    x = 66,894.56

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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.