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Finding the Fourth Proportional to 88,682.33, 122,379.30 and 48,396.57

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Solution

The fourth proportional to 88,682.33, 122,379.30 and 48,396.57 is: 66,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,682.33 : 122,379.30 = 48,396.57 : x
  2. Step 2: Convert to fraction form
    88,682.33/122,379.30 = 48,396.57/x
  3. Step 3: Cross multiply
    88,682.33x = 122,379.30 × 48,396.57
  4. Step 4: Simplify right side
    88,682.33x = 5,922,738,359.00
  5. Step 5: Solve for x
    x = 5,922,738,359.00/88,682.33
  6. Step 6: Final answer
    x = 66,786.01

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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.