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Finding the Fourth Proportional to 88,896.89, 122,701.91 and 50,676.57

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Solution

The fourth proportional to 88,896.89, 122,701.91 and 50,676.57 is: 69,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,896.89 : 122,701.91 = 50,676.57 : x
  2. Step 2: Convert to fraction form
    88,896.89/122,701.91 = 50,676.57/x
  3. Step 3: Cross multiply
    88,896.89x = 122,701.91 × 50,676.57
  4. Step 4: Simplify right side
    88,896.89x = 6,218,111,677.87
  5. Step 5: Solve for x
    x = 6,218,111,677.87/88,896.89
  6. Step 6: Final answer
    x = 69,947.46

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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.