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Finding the Fourth Proportional to 88,679.52, 122,380.34 and 48,395.88

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Solution

The fourth proportional to 88,679.52, 122,380.34 and 48,395.88 is: 66,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,679.52 : 122,380.34 = 48,395.88 : x
  2. Step 2: Convert to fraction form
    88,679.52/122,380.34 = 48,395.88/x
  3. Step 3: Cross multiply
    88,679.52x = 122,380.34 × 48,395.88
  4. Step 4: Simplify right side
    88,679.52x = 5,922,704,007.02
  5. Step 5: Solve for x
    x = 5,922,704,007.02/88,679.52
  6. Step 6: Final answer
    x = 66,787.73

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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.