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Finding the Fourth Proportional to 88,782.89, 122,519.99 and 50,544

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Solution

The fourth proportional to 88,782.89, 122,519.99 and 50,544 is: 69,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,782.89 : 122,519.99 = 50,544 : x
  2. Step 2: Convert to fraction form
    88,782.89/122,519.99 = 50,544/x
  3. Step 3: Cross multiply
    88,782.89x = 122,519.99 × 50,544
  4. Step 4: Simplify right side
    88,782.89x = 6,192,650,500.92
  5. Step 5: Solve for x
    x = 6,192,650,500.92/88,782.89
  6. Step 6: Final answer
    x = 69,750.50

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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.