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Finding the Fourth Proportional to 88,989.44, 122,836.48 and 55,023.84

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Solution

The fourth proportional to 88,989.44, 122,836.48 and 55,023.84 is: 75,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,989.44 : 122,836.48 = 55,023.84 : x
  2. Step 2: Convert to fraction form
    88,989.44/122,836.48 = 55,023.84/x
  3. Step 3: Cross multiply
    88,989.44x = 122,836.48 × 55,023.84
  4. Step 4: Simplify right side
    88,989.44x = 6,758,934,821.68
  5. Step 5: Solve for x
    x = 6,758,934,821.68/88,989.44
  6. Step 6: Final answer
    x = 75,952.10

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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.