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Finding the Fourth Proportional to 88,580.50, 122,241.09 and 48,836.50

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Solution

The fourth proportional to 88,580.50, 122,241.09 and 48,836.50 is: 67,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,580.50 : 122,241.09 = 48,836.50 : x
  2. Step 2: Convert to fraction form
    88,580.50/122,241.09 = 48,836.50/x
  3. Step 3: Cross multiply
    88,580.50x = 122,241.09 × 48,836.50
  4. Step 4: Simplify right side
    88,580.50x = 5,969,826,991.79
  5. Step 5: Solve for x
    x = 5,969,826,991.79/88,580.50
  6. Step 6: Final answer
    x = 67,394.37

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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.