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Finding the Fourth Proportional to 88,451, 122,059.92 and 48,163.88

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Solution

The fourth proportional to 88,451, 122,059.92 and 48,163.88 is: 66,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,451 : 122,059.92 = 48,163.88 : x
  2. Step 2: Convert to fraction form
    88,451/122,059.92 = 48,163.88/x
  3. Step 3: Cross multiply
    88,451x = 122,059.92 × 48,163.88
  4. Step 4: Simplify right side
    88,451x = 5,878,879,339.69
  5. Step 5: Solve for x
    x = 5,878,879,339.69/88,451
  6. Step 6: Final answer
    x = 66,464.81

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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.